diff --git a/SBC_Model_Framework b/SBC_Model_Framework
index da98613..0be04ba 160000
--- a/SBC_Model_Framework
+++ b/SBC_Model_Framework
@@ -1 +1 @@
-Subproject commit da98613665c115f3e54acba554163b45b2b06a33
+Subproject commit 0be04ba3d6c8fada5cf0b1bb7baaae0060bbc5ec
diff --git a/sbc_case_builder.json b/sbc_case_builder.json
index 5c5bbc3..df870de 100644
--- a/sbc_case_builder.json
+++ b/sbc_case_builder.json
@@ -2252,6 +2252,465 @@
             "view": "model",
             "wallthick": "2"
         },
+        "m1_tray_ssd": {
+            "$fn": "90",
+            "access_panel_location": "[10, 15]",
+            "access_panel_orientation": "landscape",
+            "access_panel_rotation": "0",
+            "access_panel_size": "[70, 30]",
+            "accessory_highlight": "false",
+            "accessory_name": "m1_tray_ssd",
+            "adj": "0.01",
+            "bend_allowance": "1",
+            "bottom_access_panel_enable": "false",
+            "bottom_clearence": "3.5",
+            "bottom_cover_pattern": "solid",
+            "bottom_front_left_adjust": "-6",
+            "bottom_front_left_enable": "true",
+            "bottom_front_left_support": "front",
+            "bottom_front_right_adjust": "-6",
+            "bottom_front_right_enable": "true",
+            "bottom_front_right_support": "front",
+            "bottom_rear_left_adjust": "-6",
+            "bottom_rear_left_enable": "true",
+            "bottom_rear_left_support": "rear",
+            "bottom_rear_right_adjust": "-6",
+            "bottom_rear_right_enable": "true",
+            "bottom_rear_right_support": "rear",
+            "bottom_sidewall_support": "true",
+            "bottom_standoff_diameter": "5.75",
+            "bottom_standoff_hole_size": "3.4",
+            "bottom_standoff_insert": "false",
+            "bottom_standoff_insert_dia": "4.2",
+            "bottom_standoff_insert_height": "5.1",
+            "bottom_standoff_pillar": "hex",
+            "bottom_standoff_reverse": "false",
+            "bottom_standoff_size": "custom",
+            "bottom_standoff_support_height": "4",
+            "bottom_standoff_support_size": "10",
+            "bottom_standoff_type": "countersunk",
+            "case_design": "tray",
+            "case_offset_bz": "0",
+            "case_offset_tz": "8",
+            "case_offset_x": "14",
+            "case_offset_y": "0",
+            "cooling": "default",
+            "corner_fillet": "3",
+            "edge_fillet": "2",
+            "ext_bottom_front_left_adjust": "0",
+            "ext_bottom_front_left_enable": "true",
+            "ext_bottom_front_left_support": "front",
+            "ext_bottom_front_right_adjust": "0",
+            "ext_bottom_front_right_enable": "true",
+            "ext_bottom_front_right_support": "front",
+            "ext_bottom_rear_left_adjust": "0",
+            "ext_bottom_rear_left_enable": "true",
+            "ext_bottom_rear_left_support": "rear",
+            "ext_bottom_rear_right_adjust": "0",
+            "ext_bottom_rear_right_enable": "true",
+            "ext_bottom_rear_right_support": "rear",
+            "ext_bottom_sidewall_support": "true",
+            "ext_bottom_standoff_diameter": "5.75",
+            "ext_bottom_standoff_hole_size": "3.4",
+            "ext_bottom_standoff_insert": "false",
+            "ext_bottom_standoff_insert_dia": "4.2",
+            "ext_bottom_standoff_insert_height": "5.1",
+            "ext_bottom_standoff_pillar": "hex",
+            "ext_bottom_standoff_reverse": "false",
+            "ext_bottom_standoff_size": "custom",
+            "ext_bottom_standoff_support_height": "4",
+            "ext_bottom_standoff_support_size": "10",
+            "ext_bottom_standoff_type": "countersunk",
+            "ext_bottom_standoffs": "true",
+            "ext_top_front_left_adjust": "0",
+            "ext_top_front_left_enable": "true",
+            "ext_top_front_left_support": "front",
+            "ext_top_front_right_adjust": "0",
+            "ext_top_front_right_enable": "true",
+            "ext_top_front_right_support": "front",
+            "ext_top_rear_left_adjust": "0",
+            "ext_top_rear_left_enable": "true",
+            "ext_top_rear_left_support": "rear",
+            "ext_top_rear_right_adjust": "0",
+            "ext_top_rear_right_enable": "true",
+            "ext_top_rear_right_support": "rear",
+            "ext_top_sidewall_support": "true",
+            "ext_top_standoff_diameter": "5.75",
+            "ext_top_standoff_hole_size": "2.75",
+            "ext_top_standoff_insert": "false",
+            "ext_top_standoff_insert_dia": "4.2",
+            "ext_top_standoff_insert_height": "5.1",
+            "ext_top_standoff_pillar": "hex",
+            "ext_top_standoff_reverse": "true",
+            "ext_top_standoff_size": "custom",
+            "ext_top_standoff_support_height": "4",
+            "ext_top_standoff_support_size": "10",
+            "ext_top_standoff_type": "blind",
+            "ext_top_standoffs": "true",
+            "fan_size": "0",
+            "flat_blank_section": "false",
+            "floorthick": "2",
+            "gap": "2",
+            "gpio_opening": "default",
+            "indents": "false",
+            "individual_part": "bottom",
+            "lower_bottom": "0",
+            "material_thickness": "0.5",
+            "move_front": "0",
+            "move_leftside": "0",
+            "move_rear": "0",
+            "move_rightside": "0",
+            "pcb_loc_x": "7",
+            "pcb_loc_y": "0",
+            "pcb_loc_z": "0",
+            "raise_top": "0",
+            "rear_io_shield": "false",
+            "sbc_bottom_standoffs": "true",
+            "sbc_highlight": "false",
+            "sbc_information": "false",
+            "sbc_model": "m1",
+            "sbc_off": "false",
+            "sbc_top_standoffs": "false",
+            "sidethick": "2",
+            "standard_motherboard_thickness": "0",
+            "text_color": "Green",
+            "text_font": "Nimbus Mono PS",
+            "tol": "0.25",
+            "top_cover_pattern": "solid",
+            "top_front_left_adjust": "0",
+            "top_front_left_enable": "true",
+            "top_front_left_support": "front",
+            "top_front_right_adjust": "0",
+            "top_front_right_enable": "true",
+            "top_front_right_support": "front",
+            "top_rear_left_adjust": "0",
+            "top_rear_left_enable": "true",
+            "top_rear_left_support": "rear",
+            "top_rear_right_adjust": "0",
+            "top_rear_right_enable": "true",
+            "top_rear_right_support": "rear",
+            "top_sidewall_support": "true",
+            "top_standoff_diameter": "5.75",
+            "top_standoff_hole_size": "2.75",
+            "top_standoff_insert": "false",
+            "top_standoff_insert_dia": "4.2",
+            "top_standoff_insert_height": "5.1",
+            "top_standoff_pillar": "hex",
+            "top_standoff_reverse": "true",
+            "top_standoff_size": "custom",
+            "top_standoff_support_height": "4",
+            "top_standoff_support_size": "10",
+            "top_standoff_type": "blind",
+            "uart_opening": "default",
+            "view": "model",
+            "wallthick": "2"
+        },
+        "m1_fitted_pizzabox2.5": {
+            "$fn": "90",
+            "access_panel_location": "[10, 15]",
+            "access_panel_orientation": "landscape",
+            "access_panel_rotation": "0",
+            "access_panel_size": "[70, 30]",
+            "accessory_highlight": "false",
+            "accessory_name": "m1_fitted_pizzabox2.5",
+            "adj": "0.01",
+            "bend_allowance": "1",
+            "bottom_access_panel_enable": "false",
+            "bottom_clearence": "3.5",
+            "bottom_cover_pattern": "solid",
+            "bottom_front_left_adjust": "-6",
+            "bottom_front_left_enable": "true",
+            "bottom_front_left_support": "front",
+            "bottom_front_right_adjust": "-6",
+            "bottom_front_right_enable": "true",
+            "bottom_front_right_support": "front",
+            "bottom_rear_left_adjust": "-6",
+            "bottom_rear_left_enable": "true",
+            "bottom_rear_left_support": "rear",
+            "bottom_rear_right_adjust": "-6",
+            "bottom_rear_right_enable": "true",
+            "bottom_rear_right_support": "rear",
+            "bottom_sidewall_support": "true",
+            "bottom_standoff_diameter": "5.75",
+            "bottom_standoff_hole_size": "3.4",
+            "bottom_standoff_insert": "false",
+            "bottom_standoff_insert_dia": "4.2",
+            "bottom_standoff_insert_height": "5.1",
+            "bottom_standoff_pillar": "hex",
+            "bottom_standoff_reverse": "false",
+            "bottom_standoff_size": "custom",
+            "bottom_standoff_support_height": "4",
+            "bottom_standoff_support_size": "10",
+            "bottom_standoff_type": "countersunk",
+            "case_design": "fitted",
+            "case_offset_bz": "0",
+            "case_offset_tz": "0",
+            "case_offset_x": "85",
+            "case_offset_y": "0",
+            "cooling": "default",
+            "corner_fillet": "3",
+            "edge_fillet": "0",
+            "ext_bottom_front_left_adjust": "0",
+            "ext_bottom_front_left_enable": "true",
+            "ext_bottom_front_left_support": "front",
+            "ext_bottom_front_right_adjust": "0",
+            "ext_bottom_front_right_enable": "true",
+            "ext_bottom_front_right_support": "front",
+            "ext_bottom_rear_left_adjust": "0",
+            "ext_bottom_rear_left_enable": "true",
+            "ext_bottom_rear_left_support": "rear",
+            "ext_bottom_rear_right_adjust": "0",
+            "ext_bottom_rear_right_enable": "true",
+            "ext_bottom_rear_right_support": "rear",
+            "ext_bottom_sidewall_support": "true",
+            "ext_bottom_standoff_diameter": "5.75",
+            "ext_bottom_standoff_hole_size": "3.4",
+            "ext_bottom_standoff_insert": "false",
+            "ext_bottom_standoff_insert_dia": "4.2",
+            "ext_bottom_standoff_insert_height": "5.1",
+            "ext_bottom_standoff_pillar": "hex",
+            "ext_bottom_standoff_reverse": "false",
+            "ext_bottom_standoff_size": "custom",
+            "ext_bottom_standoff_support_height": "4",
+            "ext_bottom_standoff_support_size": "10",
+            "ext_bottom_standoff_type": "countersunk",
+            "ext_bottom_standoffs": "false",
+            "ext_top_front_left_adjust": "0",
+            "ext_top_front_left_enable": "true",
+            "ext_top_front_left_support": "front",
+            "ext_top_front_right_adjust": "0",
+            "ext_top_front_right_enable": "true",
+            "ext_top_front_right_support": "front",
+            "ext_top_rear_left_adjust": "0",
+            "ext_top_rear_left_enable": "true",
+            "ext_top_rear_left_support": "rear",
+            "ext_top_rear_right_adjust": "0",
+            "ext_top_rear_right_enable": "true",
+            "ext_top_rear_right_support": "rear",
+            "ext_top_sidewall_support": "true",
+            "ext_top_standoff_diameter": "5.75",
+            "ext_top_standoff_hole_size": "2.75",
+            "ext_top_standoff_insert": "false",
+            "ext_top_standoff_insert_dia": "4.2",
+            "ext_top_standoff_insert_height": "5.1",
+            "ext_top_standoff_pillar": "hex",
+            "ext_top_standoff_reverse": "true",
+            "ext_top_standoff_size": "custom",
+            "ext_top_standoff_support_height": "4",
+            "ext_top_standoff_support_size": "10",
+            "ext_top_standoff_type": "blind",
+            "ext_top_standoffs": "false",
+            "fan_size": "0",
+            "flat_blank_section": "false",
+            "floorthick": "2.5",
+            "gap": "2",
+            "gpio_opening": "default",
+            "indents": "false",
+            "individual_part": "bottom",
+            "lower_bottom": "0",
+            "material_thickness": "0.5",
+            "move_front": "0",
+            "move_leftside": "0",
+            "move_rear": "0",
+            "move_rightside": "0",
+            "pcb_loc_x": "5",
+            "pcb_loc_y": "0",
+            "pcb_loc_z": "2",
+            "raise_top": "0",
+            "rear_io_shield": "false",
+            "sbc_bottom_standoffs": "true",
+            "sbc_highlight": "false",
+            "sbc_information": "false",
+            "sbc_model": "m1",
+            "sbc_off": "false",
+            "sbc_top_standoffs": "false",
+            "sidethick": "2",
+            "standard_motherboard_thickness": "0",
+            "text_color": "Green",
+            "text_font": "Nimbus Mono PS",
+            "tol": "0.25",
+            "top_cover_pattern": "solid",
+            "top_front_left_adjust": "0",
+            "top_front_left_enable": "true",
+            "top_front_left_support": "front",
+            "top_front_right_adjust": "0",
+            "top_front_right_enable": "true",
+            "top_front_right_support": "front",
+            "top_rear_left_adjust": "0",
+            "top_rear_left_enable": "true",
+            "top_rear_left_support": "rear",
+            "top_rear_right_adjust": "0",
+            "top_rear_right_enable": "true",
+            "top_rear_right_support": "rear",
+            "top_sidewall_support": "true",
+            "top_standoff_diameter": "5.75",
+            "top_standoff_hole_size": "2.75",
+            "top_standoff_insert": "false",
+            "top_standoff_insert_dia": "4.2",
+            "top_standoff_insert_height": "5.1",
+            "top_standoff_pillar": "hex",
+            "top_standoff_reverse": "true",
+            "top_standoff_size": "custom",
+            "top_standoff_support_height": "4",
+            "top_standoff_support_size": "10",
+            "top_standoff_type": "blind",
+            "uart_opening": "default",
+            "view": "model",
+            "wallthick": "2.5"
+        },
+        "m1_fitted_pizzabox3.5": {
+            "$fn": "90",
+            "access_panel_location": "[10, 15]",
+            "access_panel_orientation": "landscape",
+            "access_panel_rotation": "0",
+            "access_panel_size": "[70, 30]",
+            "accessory_highlight": "false",
+            "accessory_name": "m1_fitted_pizzabox3.5",
+            "adj": "0.01",
+            "bend_allowance": "1",
+            "bottom_access_panel_enable": "false",
+            "bottom_clearence": "3.5",
+            "bottom_cover_pattern": "solid",
+            "bottom_front_left_adjust": "-6",
+            "bottom_front_left_enable": "true",
+            "bottom_front_left_support": "front",
+            "bottom_front_right_adjust": "-6",
+            "bottom_front_right_enable": "true",
+            "bottom_front_right_support": "front",
+            "bottom_rear_left_adjust": "-6",
+            "bottom_rear_left_enable": "true",
+            "bottom_rear_left_support": "rear",
+            "bottom_rear_right_adjust": "-6",
+            "bottom_rear_right_enable": "true",
+            "bottom_rear_right_support": "rear",
+            "bottom_sidewall_support": "true",
+            "bottom_standoff_diameter": "5.75",
+            "bottom_standoff_hole_size": "3.4",
+            "bottom_standoff_insert": "false",
+            "bottom_standoff_insert_dia": "4.2",
+            "bottom_standoff_insert_height": "5.1",
+            "bottom_standoff_pillar": "hex",
+            "bottom_standoff_reverse": "false",
+            "bottom_standoff_size": "custom",
+            "bottom_standoff_support_height": "4",
+            "bottom_standoff_support_size": "10",
+            "bottom_standoff_type": "countersunk",
+            "case_design": "fitted",
+            "case_offset_bz": "0",
+            "case_offset_tz": "0",
+            "case_offset_x": "114",
+            "case_offset_y": "65",
+            "cooling": "default",
+            "corner_fillet": "3",
+            "edge_fillet": "0",
+            "ext_bottom_front_left_adjust": "0",
+            "ext_bottom_front_left_enable": "true",
+            "ext_bottom_front_left_support": "front",
+            "ext_bottom_front_right_adjust": "0",
+            "ext_bottom_front_right_enable": "true",
+            "ext_bottom_front_right_support": "front",
+            "ext_bottom_rear_left_adjust": "0",
+            "ext_bottom_rear_left_enable": "true",
+            "ext_bottom_rear_left_support": "rear",
+            "ext_bottom_rear_right_adjust": "0",
+            "ext_bottom_rear_right_enable": "true",
+            "ext_bottom_rear_right_support": "rear",
+            "ext_bottom_sidewall_support": "true",
+            "ext_bottom_standoff_diameter": "5.75",
+            "ext_bottom_standoff_hole_size": "3.4",
+            "ext_bottom_standoff_insert": "false",
+            "ext_bottom_standoff_insert_dia": "4.2",
+            "ext_bottom_standoff_insert_height": "5.1",
+            "ext_bottom_standoff_pillar": "hex",
+            "ext_bottom_standoff_reverse": "false",
+            "ext_bottom_standoff_size": "custom",
+            "ext_bottom_standoff_support_height": "4",
+            "ext_bottom_standoff_support_size": "10",
+            "ext_bottom_standoff_type": "countersunk",
+            "ext_bottom_standoffs": "false",
+            "ext_top_front_left_adjust": "0",
+            "ext_top_front_left_enable": "true",
+            "ext_top_front_left_support": "front",
+            "ext_top_front_right_adjust": "0",
+            "ext_top_front_right_enable": "true",
+            "ext_top_front_right_support": "front",
+            "ext_top_rear_left_adjust": "0",
+            "ext_top_rear_left_enable": "true",
+            "ext_top_rear_left_support": "rear",
+            "ext_top_rear_right_adjust": "0",
+            "ext_top_rear_right_enable": "true",
+            "ext_top_rear_right_support": "rear",
+            "ext_top_sidewall_support": "true",
+            "ext_top_standoff_diameter": "5.75",
+            "ext_top_standoff_hole_size": "2.75",
+            "ext_top_standoff_insert": "false",
+            "ext_top_standoff_insert_dia": "4.2",
+            "ext_top_standoff_insert_height": "5.1",
+            "ext_top_standoff_pillar": "hex",
+            "ext_top_standoff_reverse": "true",
+            "ext_top_standoff_size": "custom",
+            "ext_top_standoff_support_height": "4",
+            "ext_top_standoff_support_size": "10",
+            "ext_top_standoff_type": "blind",
+            "ext_top_standoffs": "false",
+            "fan_size": "0",
+            "flat_blank_section": "false",
+            "floorthick": "2.5",
+            "gap": "2",
+            "gpio_opening": "default",
+            "indents": "false",
+            "individual_part": "bottom",
+            "lower_bottom": "0",
+            "material_thickness": "0.5",
+            "move_front": "0",
+            "move_leftside": "0",
+            "move_rear": "0",
+            "move_rightside": "0",
+            "pcb_loc_x": "5",
+            "pcb_loc_y": "0",
+            "pcb_loc_z": "2",
+            "raise_top": "0",
+            "rear_io_shield": "false",
+            "sbc_bottom_standoffs": "true",
+            "sbc_highlight": "false",
+            "sbc_information": "false",
+            "sbc_model": "m1",
+            "sbc_off": "false",
+            "sbc_top_standoffs": "false",
+            "sidethick": "2",
+            "standard_motherboard_thickness": "0",
+            "text_color": "Green",
+            "text_font": "Nimbus Mono PS",
+            "tol": "0.25",
+            "top_cover_pattern": "solid",
+            "top_front_left_adjust": "0",
+            "top_front_left_enable": "true",
+            "top_front_left_support": "front",
+            "top_front_right_adjust": "0",
+            "top_front_right_enable": "true",
+            "top_front_right_support": "front",
+            "top_rear_left_adjust": "0",
+            "top_rear_left_enable": "true",
+            "top_rear_left_support": "rear",
+            "top_rear_right_adjust": "0",
+            "top_rear_right_enable": "true",
+            "top_rear_right_support": "rear",
+            "top_sidewall_support": "true",
+            "top_standoff_diameter": "5.75",
+            "top_standoff_hole_size": "2.75",
+            "top_standoff_insert": "false",
+            "top_standoff_insert_dia": "4.2",
+            "top_standoff_insert_height": "5.1",
+            "top_standoff_pillar": "hex",
+            "top_standoff_reverse": "true",
+            "top_standoff_size": "custom",
+            "top_standoff_support_height": "4",
+            "top_standoff_support_size": "10",
+            "top_standoff_type": "blind",
+            "uart_opening": "default",
+            "view": "model",
+            "wallthick": "2.5"
+        },
         "m1s_shell_nvme": {
             "$fn": "90",
             "access_panel_location": "[0, 28]",
@@ -2714,35 +3173,35 @@
             "view": "model",
             "wallthick": "2"
         },
-        "m1_tray_ssd": {
+        "m2_shell": {
             "$fn": "90",
-            "access_panel_location": "[10, 15]",
-            "access_panel_orientation": "landscape",
+            "access_panel_location": "[0, 17]",
+            "access_panel_orientation": "portrait",
             "access_panel_rotation": "0",
-            "access_panel_size": "[70, 30]",
+            "access_panel_size": "[91, 50]",
             "accessory_highlight": "false",
-            "accessory_name": "m1_tray_ssd",
+            "accessory_name": "m2_shell",
             "adj": "0.01",
             "bend_allowance": "1",
             "bottom_access_panel_enable": "false",
             "bottom_clearence": "3.5",
-            "bottom_cover_pattern": "solid",
-            "bottom_front_left_adjust": "-6",
+            "bottom_cover_pattern": "hex_5mm",
+            "bottom_front_left_adjust": "0",
             "bottom_front_left_enable": "true",
-            "bottom_front_left_support": "front",
-            "bottom_front_right_adjust": "-6",
+            "bottom_front_left_support": "none",
+            "bottom_front_right_adjust": "0",
             "bottom_front_right_enable": "true",
-            "bottom_front_right_support": "front",
-            "bottom_rear_left_adjust": "-6",
+            "bottom_front_right_support": "none",
+            "bottom_rear_left_adjust": "0",
             "bottom_rear_left_enable": "true",
-            "bottom_rear_left_support": "rear",
-            "bottom_rear_right_adjust": "-6",
+            "bottom_rear_left_support": "none",
+            "bottom_rear_right_adjust": "0",
             "bottom_rear_right_enable": "true",
-            "bottom_rear_right_support": "rear",
+            "bottom_rear_right_support": "none",
             "bottom_sidewall_support": "true",
             "bottom_standoff_diameter": "5.75",
             "bottom_standoff_hole_size": "3.4",
-            "bottom_standoff_insert": "false",
+            "bottom_standoff_insert": "true",
             "bottom_standoff_insert_dia": "4.2",
             "bottom_standoff_insert_height": "5.1",
             "bottom_standoff_pillar": "hex",
@@ -2750,15 +3209,15 @@
             "bottom_standoff_size": "custom",
             "bottom_standoff_support_height": "4",
             "bottom_standoff_support_size": "10",
-            "bottom_standoff_type": "countersunk",
-            "case_design": "tray",
+            "bottom_standoff_type": "blind",
+            "case_design": "shell",
             "case_offset_bz": "0",
-            "case_offset_tz": "8",
-            "case_offset_x": "14",
+            "case_offset_tz": "0",
+            "case_offset_x": "0",
             "case_offset_y": "0",
             "cooling": "default",
             "corner_fillet": "3",
-            "edge_fillet": "2",
+            "edge_fillet": "0",
             "ext_bottom_front_left_adjust": "0",
             "ext_bottom_front_left_enable": "true",
             "ext_bottom_front_left_support": "front",
@@ -2783,7 +3242,7 @@
             "ext_bottom_standoff_support_height": "4",
             "ext_bottom_standoff_support_size": "10",
             "ext_bottom_standoff_type": "countersunk",
-            "ext_bottom_standoffs": "true",
+            "ext_bottom_standoffs": "false",
             "ext_top_front_left_adjust": "0",
             "ext_top_front_left_enable": "true",
             "ext_top_front_left_support": "front",
@@ -2808,21 +3267,71 @@
             "ext_top_standoff_support_height": "4",
             "ext_top_standoff_support_size": "10",
             "ext_top_standoff_type": "blind",
-            "ext_top_standoffs": "true",
+            "ext_top_standoffs": "false",
             "fan_size": "0",
             "flat_blank_section": "false",
-            "floorthick": "2",
-            "gap": "2",
+            "floorthick": "1.5",
+            "gap": "2.5",
             "gpio_opening": "default",
-            "indents": "false",
-            "individual_part": "bottom",
+            "indents": "true",
+            "individual_part": "top",
             "lower_bottom": "0",
             "material_thickness": "0.5",
             "move_front": "0",
             "move_leftside": "0",
             "move_rear": "0",
             "move_rightside": "0",
-            "pcb_loc_x": "7",
+            "multipcb_bottom_front_left_adjust": "0",
+            "multipcb_bottom_front_left_enable": "true",
+            "multipcb_bottom_front_left_support": "front",
+            "multipcb_bottom_front_right_adjust": "0",
+            "multipcb_bottom_front_right_enable": "true",
+            "multipcb_bottom_front_right_support": "front",
+            "multipcb_bottom_rear_left_adjust": "0",
+            "multipcb_bottom_rear_left_enable": "true",
+            "multipcb_bottom_rear_left_support": "rear",
+            "multipcb_bottom_rear_right_adjust": "0",
+            "multipcb_bottom_rear_right_enable": "true",
+            "multipcb_bottom_rear_right_support": "rear",
+            "multipcb_bottom_sidewall_support": "false",
+            "multipcb_bottom_standoff_diameter": "5.75",
+            "multipcb_bottom_standoff_hole_size": "3.4",
+            "multipcb_bottom_standoff_insert": "false",
+            "multipcb_bottom_standoff_insert_dia": "4.2",
+            "multipcb_bottom_standoff_insert_height": "5.1",
+            "multipcb_bottom_standoff_pillar": "hex",
+            "multipcb_bottom_standoff_reverse": "false",
+            "multipcb_bottom_standoff_size": "m2.5",
+            "multipcb_bottom_standoff_support_height": "4",
+            "multipcb_bottom_standoff_support_size": "7",
+            "multipcb_bottom_standoff_type": "countersunk",
+            "multipcb_bottom_standoffs": "false",
+            "multipcb_top_front_left_adjust": "0",
+            "multipcb_top_front_left_enable": "true",
+            "multipcb_top_front_left_support": "front",
+            "multipcb_top_front_right_adjust": "0",
+            "multipcb_top_front_right_enable": "true",
+            "multipcb_top_front_right_support": "front",
+            "multipcb_top_rear_left_adjust": "0",
+            "multipcb_top_rear_left_enable": "true",
+            "multipcb_top_rear_left_support": "rear",
+            "multipcb_top_rear_right_adjust": "0",
+            "multipcb_top_rear_right_enable": "true",
+            "multipcb_top_rear_right_support": "rear",
+            "multipcb_top_sidewall_support": "false",
+            "multipcb_top_standoff_diameter": "5.75",
+            "multipcb_top_standoff_hole_size": "2.75",
+            "multipcb_top_standoff_insert": "false",
+            "multipcb_top_standoff_insert_dia": "4.2",
+            "multipcb_top_standoff_insert_height": "5.1",
+            "multipcb_top_standoff_pillar": "hex",
+            "multipcb_top_standoff_reverse": "true",
+            "multipcb_top_standoff_size": "m2.5",
+            "multipcb_top_standoff_support_height": "4",
+            "multipcb_top_standoff_support_size": "7",
+            "multipcb_top_standoff_type": "blind",
+            "multipcb_top_standoffs": "false",
+            "pcb_loc_x": "0",
             "pcb_loc_y": "0",
             "pcb_loc_z": "0",
             "raise_top": "0",
@@ -2830,9 +3339,9 @@
             "sbc_bottom_standoffs": "true",
             "sbc_highlight": "false",
             "sbc_information": "false",
-            "sbc_model": "m1",
+            "sbc_model": "m2",
             "sbc_off": "false",
-            "sbc_top_standoffs": "false",
+            "sbc_top_standoffs": "true",
             "sidethick": "2",
             "standard_motherboard_thickness": "0",
             "text_color": "Green",
@@ -2847,55 +3356,55 @@
             "top_front_right_support": "front",
             "top_rear_left_adjust": "0",
             "top_rear_left_enable": "true",
-            "top_rear_left_support": "rear",
+            "top_rear_left_support": "left",
             "top_rear_right_adjust": "0",
             "top_rear_right_enable": "true",
-            "top_rear_right_support": "rear",
+            "top_rear_right_support": "none",
             "top_sidewall_support": "true",
             "top_standoff_diameter": "5.75",
-            "top_standoff_hole_size": "2.75",
+            "top_standoff_hole_size": "3.2",
             "top_standoff_insert": "false",
             "top_standoff_insert_dia": "4.2",
             "top_standoff_insert_height": "5.1",
             "top_standoff_pillar": "hex",
             "top_standoff_reverse": "true",
-            "top_standoff_size": "custom",
+            "top_standoff_size": "m3+",
             "top_standoff_support_height": "4",
-            "top_standoff_support_size": "10",
-            "top_standoff_type": "blind",
-            "uart_opening": "default",
+            "top_standoff_support_size": "12.5",
+            "top_standoff_type": "countersunk",
+            "uart_opening": "open",
             "view": "model",
             "wallthick": "2"
         },
-        "m1_fitted_pizzabox2.5": {
+        "m2_shell_lowboy": {
             "$fn": "90",
-            "access_panel_location": "[10, 15]",
-            "access_panel_orientation": "landscape",
+            "access_panel_location": "[0, 17]",
+            "access_panel_orientation": "portrait",
             "access_panel_rotation": "0",
-            "access_panel_size": "[70, 30]",
+            "access_panel_size": "[91, 50]",
             "accessory_highlight": "false",
-            "accessory_name": "m1_fitted_pizzabox2.5",
+            "accessory_name": "none",
             "adj": "0.01",
             "bend_allowance": "1",
             "bottom_access_panel_enable": "false",
             "bottom_clearence": "3.5",
-            "bottom_cover_pattern": "solid",
-            "bottom_front_left_adjust": "-6",
+            "bottom_cover_pattern": "hex_5mm",
+            "bottom_front_left_adjust": "0",
             "bottom_front_left_enable": "true",
-            "bottom_front_left_support": "front",
-            "bottom_front_right_adjust": "-6",
+            "bottom_front_left_support": "none",
+            "bottom_front_right_adjust": "0",
             "bottom_front_right_enable": "true",
-            "bottom_front_right_support": "front",
-            "bottom_rear_left_adjust": "-6",
+            "bottom_front_right_support": "none",
+            "bottom_rear_left_adjust": "0",
             "bottom_rear_left_enable": "true",
-            "bottom_rear_left_support": "rear",
-            "bottom_rear_right_adjust": "-6",
+            "bottom_rear_left_support": "none",
+            "bottom_rear_right_adjust": "0",
             "bottom_rear_right_enable": "true",
-            "bottom_rear_right_support": "rear",
+            "bottom_rear_right_support": "none",
             "bottom_sidewall_support": "true",
             "bottom_standoff_diameter": "5.75",
             "bottom_standoff_hole_size": "3.4",
-            "bottom_standoff_insert": "false",
+            "bottom_standoff_insert": "true",
             "bottom_standoff_insert_dia": "4.2",
             "bottom_standoff_insert_height": "5.1",
             "bottom_standoff_pillar": "hex",
@@ -2903,13 +3412,13 @@
             "bottom_standoff_size": "custom",
             "bottom_standoff_support_height": "4",
             "bottom_standoff_support_size": "10",
-            "bottom_standoff_type": "countersunk",
-            "case_design": "fitted",
+            "bottom_standoff_type": "blind",
+            "case_design": "shell",
             "case_offset_bz": "0",
-            "case_offset_tz": "0",
-            "case_offset_x": "85",
+            "case_offset_tz": "-5",
+            "case_offset_x": "0",
             "case_offset_y": "0",
-            "cooling": "default",
+            "cooling": "open",
             "corner_fillet": "3",
             "edge_fillet": "0",
             "ext_bottom_front_left_adjust": "0",
@@ -2964,28 +3473,78 @@
             "ext_top_standoffs": "false",
             "fan_size": "0",
             "flat_blank_section": "false",
-            "floorthick": "2.5",
-            "gap": "2",
-            "gpio_opening": "default",
-            "indents": "false",
-            "individual_part": "bottom",
+            "floorthick": "1.5",
+            "gap": "2.5",
+            "gpio_opening": "block",
+            "indents": "true",
+            "individual_part": "top",
             "lower_bottom": "0",
             "material_thickness": "0.5",
             "move_front": "0",
             "move_leftside": "0",
             "move_rear": "0",
             "move_rightside": "0",
-            "pcb_loc_x": "5",
+            "multipcb_bottom_front_left_adjust": "0",
+            "multipcb_bottom_front_left_enable": "true",
+            "multipcb_bottom_front_left_support": "front",
+            "multipcb_bottom_front_right_adjust": "0",
+            "multipcb_bottom_front_right_enable": "true",
+            "multipcb_bottom_front_right_support": "front",
+            "multipcb_bottom_rear_left_adjust": "0",
+            "multipcb_bottom_rear_left_enable": "true",
+            "multipcb_bottom_rear_left_support": "rear",
+            "multipcb_bottom_rear_right_adjust": "0",
+            "multipcb_bottom_rear_right_enable": "true",
+            "multipcb_bottom_rear_right_support": "rear",
+            "multipcb_bottom_sidewall_support": "false",
+            "multipcb_bottom_standoff_diameter": "5.75",
+            "multipcb_bottom_standoff_hole_size": "3.4",
+            "multipcb_bottom_standoff_insert": "false",
+            "multipcb_bottom_standoff_insert_dia": "4.2",
+            "multipcb_bottom_standoff_insert_height": "5.1",
+            "multipcb_bottom_standoff_pillar": "hex",
+            "multipcb_bottom_standoff_reverse": "false",
+            "multipcb_bottom_standoff_size": "m2.5",
+            "multipcb_bottom_standoff_support_height": "4",
+            "multipcb_bottom_standoff_support_size": "7",
+            "multipcb_bottom_standoff_type": "countersunk",
+            "multipcb_bottom_standoffs": "false",
+            "multipcb_top_front_left_adjust": "0",
+            "multipcb_top_front_left_enable": "true",
+            "multipcb_top_front_left_support": "front",
+            "multipcb_top_front_right_adjust": "0",
+            "multipcb_top_front_right_enable": "true",
+            "multipcb_top_front_right_support": "front",
+            "multipcb_top_rear_left_adjust": "0",
+            "multipcb_top_rear_left_enable": "true",
+            "multipcb_top_rear_left_support": "rear",
+            "multipcb_top_rear_right_adjust": "0",
+            "multipcb_top_rear_right_enable": "true",
+            "multipcb_top_rear_right_support": "rear",
+            "multipcb_top_sidewall_support": "false",
+            "multipcb_top_standoff_diameter": "5.75",
+            "multipcb_top_standoff_hole_size": "2.75",
+            "multipcb_top_standoff_insert": "false",
+            "multipcb_top_standoff_insert_dia": "4.2",
+            "multipcb_top_standoff_insert_height": "5.1",
+            "multipcb_top_standoff_pillar": "hex",
+            "multipcb_top_standoff_reverse": "true",
+            "multipcb_top_standoff_size": "m2.5",
+            "multipcb_top_standoff_support_height": "4",
+            "multipcb_top_standoff_support_size": "7",
+            "multipcb_top_standoff_type": "blind",
+            "multipcb_top_standoffs": "false",
+            "pcb_loc_x": "0",
             "pcb_loc_y": "0",
-            "pcb_loc_z": "2",
+            "pcb_loc_z": "0",
             "raise_top": "0",
             "rear_io_shield": "false",
             "sbc_bottom_standoffs": "true",
             "sbc_highlight": "false",
             "sbc_information": "false",
-            "sbc_model": "m1",
+            "sbc_model": "m2",
             "sbc_off": "false",
-            "sbc_top_standoffs": "false",
+            "sbc_top_standoffs": "true",
             "sidethick": "2",
             "standard_motherboard_thickness": "0",
             "text_color": "Green",
@@ -3000,178 +3559,25 @@
             "top_front_right_support": "front",
             "top_rear_left_adjust": "0",
             "top_rear_left_enable": "true",
-            "top_rear_left_support": "rear",
+            "top_rear_left_support": "left",
             "top_rear_right_adjust": "0",
             "top_rear_right_enable": "true",
-            "top_rear_right_support": "rear",
+            "top_rear_right_support": "none",
             "top_sidewall_support": "true",
             "top_standoff_diameter": "5.75",
-            "top_standoff_hole_size": "2.75",
+            "top_standoff_hole_size": "3.2",
             "top_standoff_insert": "false",
             "top_standoff_insert_dia": "4.2",
             "top_standoff_insert_height": "5.1",
             "top_standoff_pillar": "hex",
             "top_standoff_reverse": "true",
-            "top_standoff_size": "custom",
+            "top_standoff_size": "m3+",
             "top_standoff_support_height": "4",
-            "top_standoff_support_size": "10",
-            "top_standoff_type": "blind",
-            "uart_opening": "default",
+            "top_standoff_support_size": "12.5",
+            "top_standoff_type": "countersunk",
+            "uart_opening": "open",
             "view": "model",
-            "wallthick": "2.5"
-        },
-        "m1_fitted_pizzabox3.5": {
-            "$fn": "90",
-            "access_panel_location": "[10, 15]",
-            "access_panel_orientation": "landscape",
-            "access_panel_rotation": "0",
-            "access_panel_size": "[70, 30]",
-            "accessory_highlight": "false",
-            "accessory_name": "m1_fitted_pizzabox3.5",
-            "adj": "0.01",
-            "bend_allowance": "1",
-            "bottom_access_panel_enable": "false",
-            "bottom_clearence": "3.5",
-            "bottom_cover_pattern": "solid",
-            "bottom_front_left_adjust": "-6",
-            "bottom_front_left_enable": "true",
-            "bottom_front_left_support": "front",
-            "bottom_front_right_adjust": "-6",
-            "bottom_front_right_enable": "true",
-            "bottom_front_right_support": "front",
-            "bottom_rear_left_adjust": "-6",
-            "bottom_rear_left_enable": "true",
-            "bottom_rear_left_support": "rear",
-            "bottom_rear_right_adjust": "-6",
-            "bottom_rear_right_enable": "true",
-            "bottom_rear_right_support": "rear",
-            "bottom_sidewall_support": "true",
-            "bottom_standoff_diameter": "5.75",
-            "bottom_standoff_hole_size": "3.4",
-            "bottom_standoff_insert": "false",
-            "bottom_standoff_insert_dia": "4.2",
-            "bottom_standoff_insert_height": "5.1",
-            "bottom_standoff_pillar": "hex",
-            "bottom_standoff_reverse": "false",
-            "bottom_standoff_size": "custom",
-            "bottom_standoff_support_height": "4",
-            "bottom_standoff_support_size": "10",
-            "bottom_standoff_type": "countersunk",
-            "case_design": "fitted",
-            "case_offset_bz": "0",
-            "case_offset_tz": "0",
-            "case_offset_x": "114",
-            "case_offset_y": "65",
-            "cooling": "default",
-            "corner_fillet": "3",
-            "edge_fillet": "0",
-            "ext_bottom_front_left_adjust": "0",
-            "ext_bottom_front_left_enable": "true",
-            "ext_bottom_front_left_support": "front",
-            "ext_bottom_front_right_adjust": "0",
-            "ext_bottom_front_right_enable": "true",
-            "ext_bottom_front_right_support": "front",
-            "ext_bottom_rear_left_adjust": "0",
-            "ext_bottom_rear_left_enable": "true",
-            "ext_bottom_rear_left_support": "rear",
-            "ext_bottom_rear_right_adjust": "0",
-            "ext_bottom_rear_right_enable": "true",
-            "ext_bottom_rear_right_support": "rear",
-            "ext_bottom_sidewall_support": "true",
-            "ext_bottom_standoff_diameter": "5.75",
-            "ext_bottom_standoff_hole_size": "3.4",
-            "ext_bottom_standoff_insert": "false",
-            "ext_bottom_standoff_insert_dia": "4.2",
-            "ext_bottom_standoff_insert_height": "5.1",
-            "ext_bottom_standoff_pillar": "hex",
-            "ext_bottom_standoff_reverse": "false",
-            "ext_bottom_standoff_size": "custom",
-            "ext_bottom_standoff_support_height": "4",
-            "ext_bottom_standoff_support_size": "10",
-            "ext_bottom_standoff_type": "countersunk",
-            "ext_bottom_standoffs": "false",
-            "ext_top_front_left_adjust": "0",
-            "ext_top_front_left_enable": "true",
-            "ext_top_front_left_support": "front",
-            "ext_top_front_right_adjust": "0",
-            "ext_top_front_right_enable": "true",
-            "ext_top_front_right_support": "front",
-            "ext_top_rear_left_adjust": "0",
-            "ext_top_rear_left_enable": "true",
-            "ext_top_rear_left_support": "rear",
-            "ext_top_rear_right_adjust": "0",
-            "ext_top_rear_right_enable": "true",
-            "ext_top_rear_right_support": "rear",
-            "ext_top_sidewall_support": "true",
-            "ext_top_standoff_diameter": "5.75",
-            "ext_top_standoff_hole_size": "2.75",
-            "ext_top_standoff_insert": "false",
-            "ext_top_standoff_insert_dia": "4.2",
-            "ext_top_standoff_insert_height": "5.1",
-            "ext_top_standoff_pillar": "hex",
-            "ext_top_standoff_reverse": "true",
-            "ext_top_standoff_size": "custom",
-            "ext_top_standoff_support_height": "4",
-            "ext_top_standoff_support_size": "10",
-            "ext_top_standoff_type": "blind",
-            "ext_top_standoffs": "false",
-            "fan_size": "0",
-            "flat_blank_section": "false",
-            "floorthick": "2.5",
-            "gap": "2",
-            "gpio_opening": "default",
-            "indents": "false",
-            "individual_part": "bottom",
-            "lower_bottom": "0",
-            "material_thickness": "0.5",
-            "move_front": "0",
-            "move_leftside": "0",
-            "move_rear": "0",
-            "move_rightside": "0",
-            "pcb_loc_x": "5",
-            "pcb_loc_y": "0",
-            "pcb_loc_z": "2",
-            "raise_top": "0",
-            "rear_io_shield": "false",
-            "sbc_bottom_standoffs": "true",
-            "sbc_highlight": "false",
-            "sbc_information": "false",
-            "sbc_model": "m1",
-            "sbc_off": "false",
-            "sbc_top_standoffs": "false",
-            "sidethick": "2",
-            "standard_motherboard_thickness": "0",
-            "text_color": "Green",
-            "text_font": "Nimbus Mono PS",
-            "tol": "0.25",
-            "top_cover_pattern": "solid",
-            "top_front_left_adjust": "0",
-            "top_front_left_enable": "true",
-            "top_front_left_support": "front",
-            "top_front_right_adjust": "0",
-            "top_front_right_enable": "true",
-            "top_front_right_support": "front",
-            "top_rear_left_adjust": "0",
-            "top_rear_left_enable": "true",
-            "top_rear_left_support": "rear",
-            "top_rear_right_adjust": "0",
-            "top_rear_right_enable": "true",
-            "top_rear_right_support": "rear",
-            "top_sidewall_support": "true",
-            "top_standoff_diameter": "5.75",
-            "top_standoff_hole_size": "2.75",
-            "top_standoff_insert": "false",
-            "top_standoff_insert_dia": "4.2",
-            "top_standoff_insert_height": "5.1",
-            "top_standoff_pillar": "hex",
-            "top_standoff_reverse": "true",
-            "top_standoff_size": "custom",
-            "top_standoff_support_height": "4",
-            "top_standoff_support_size": "10",
-            "top_standoff_type": "blind",
-            "uart_opening": "default",
-            "view": "model",
-            "wallthick": "2.5"
+            "wallthick": "2"
         },
         "h3_shell": {
             "$fn": "90",
diff --git a/sbc_case_builder.scad b/sbc_case_builder.scad
index f98a026..75b86a8 100644
--- a/sbc_case_builder.scad
+++ b/sbc_case_builder.scad
@@ -29,7 +29,7 @@ include <./sbc_case_builder_accessories.cfg>;
 view = "model"; // [model, platter, part]
 individual_part = "bottom"; // [top, bottom, right, left, front, rear, io_shield, accessories]
 // single board computer model
-sbc_model = "c1+"; //  ["c1+", "c2", "c4", "hc4", "xu4", "xu4q", "mc1", "hc1", "n1", "n2", "n2+", "n2l", "n2lq", "m1", "m1s", "h2", "h2+", "h3", "h3+", "h4", "h4+", "h4_ultra", "show2", "rpipico", "rpipicow", "rpicm4+ioboard", "rpicm1", "rpicm3", "rpicm3l", "rpicm3+", "rpicm4s", "rpicm4", "rpicm4l", "rpizero", "rpizerow", "rpizero2w", "rpi1a+", "rpi1b+", "rpi2b", "rpi3a+", "rpi3b", "rpi3b+", "rpi4b", "rpi5", "a64","a64lts","rock64", "rockpro64", "quartz64a", "quartz64b", "h64b", "star64", "soedge_rk1808", "soedge_a-baseboard", "rock4a", "rock4b", "rock4a+", "rock4b+", "rock4c", "rock4c+", "rock5b-v1.3", "rock5b", "rock5bq", "rock5b+","nio12l", "vim1", "vim2", "vim3", "vim3l", "vim4", "tinkerboard", "tinkerboard-s", "tinkerboard-2", "tinkerboard-2s", "tinkerboard-r2", "tinkerboard-r2s", "opizero", "opizero2", "opir1plus_lts", "opir1", "opi5", "jetsonnano", "lepotato", "sweetpotato", "tritium-h2+", "tritium-h3", "tritium-h5", "solitude", "alta", "atomicpi", "visionfive2", "visionfive2q", "bpif3", "milk-v_duos", "licheerv+dock", "rak19007", "cnano-avr128da48", "nodemcu-32s", "cs-solarmeter", "feather-m0_wifi", "ssi-eeb", "ssi-ceb", "atx", "micro-atx", "dtx", "flex-atx", "mini-dtx", "mini-itx", "mini-itx_thin", "mini-stx", "mini-stx_thin", "nano-itx", "nuc", "pico-itx"]
+sbc_model = "c1+"; //  ["c1+", "c2", "c4", "hc4", "xu4", "xu4q", "mc1", "hc1", "n1", "n2", "n2+", "n2l", "n2lq", "m1", "m1s", "m2", "h2", "h2+", "h3", "h3+", "h4", "h4+", "h4_ultra", "show2", "rpipico", "rpipicow", "rpicm4+ioboard", "rpicm1", "rpicm3", "rpicm3l", "rpicm3+", "rpicm4s", "rpicm4", "rpicm4l", "rpizero", "rpizerow", "rpizero2w", "rpi1a+", "rpi1b+", "rpi2b", "rpi3a+", "rpi3b", "rpi3b+", "rpi4b", "rpi5", "a64","a64lts","rock64", "rockpro64", "quartz64a", "quartz64b", "h64b", "star64", "soedge_rk1808", "soedge_a-baseboard", "rock4a", "rock4b", "rock4a+", "rock4b+", "rock4c", "rock4c+", "rock5b-v1.3", "rock5b", "rock5bq", "rock5b+","nio12l", "vim1", "vim2", "vim3", "vim3l", "vim4", "tinkerboard", "tinkerboard-s", "tinkerboard-2", "tinkerboard-2s", "tinkerboard-r2", "tinkerboard-r2s", "opizero", "opizero2", "opir1plus_lts", "opir1", "opi5", "jetsonnano", "lepotato", "sweetpotato", "tritium-h2+", "tritium-h3", "tritium-h5", "solitude", "alta", "atomicpi", "visionfive2", "visionfive2q", "bpif3", "milk-v_duos", "licheerv+dock", "rak19007", "cnano-avr128da48", "nodemcu-32s", "cs-solarmeter", "feather-m0_wifi", "ssi-eeb", "ssi-ceb", "atx", "micro-atx", "dtx", "flex-atx", "mini-dtx", "mini-itx", "mini-itx_thin", "mini-stx", "mini-stx_thin", "nano-itx", "nuc", "pico-itx"]
 
 // sbc off in model view
 sbc_off = false;
@@ -83,7 +83,7 @@ case_offset_x = 0; //[0:.01:300]
 // additional y axis case size
 case_offset_y = 0; //[0:.01:300]
 // additional z axis case top size
-case_offset_tz = 0; //[0:.01:100]
+case_offset_tz = 0; //[-10:.01:100]
 // additional z axis case bottom size
 case_offset_bz = 0; //[0:.01:100]
 // case wall thickness
@@ -125,7 +125,7 @@ uart_opening = "default"; // [default,none,open,knockout]
 // enable indentations around io openings
 indents = true;
 // case accessory group to load
-accessory_name = "none"; // ["none", "hk_uart", "c4_shell_boombox", "c4_desktop_lcd3.5", "c4_deskboom_lcd3.5", "c4_panel_boombox", "c4_panel_lcd3.5", "c4_tray_boombox", "c4_round", "c4_hex", "xu4_keyhole", "hc4_shell_drivebox2.5", "hc4_shell_drivebox2.5v", "hc4_shell_drivebox3.5", "hc4_tray_drivebox2.5", "m1s_shell_nvme", "m1s_shell_ups", "m1s_tray_nvme", "m1_tray_ssd", "m1_fitted_pizzabox2.5", "m1_fitted_pizzabox3.5", "h3_shell", "h3_shell_router", "h3_lowboy", "h3_lowboy_router", "h3_ultimate", "h3_ultimate2", "show2_shell", "rpi5_m2hat", "rock5b", "adapter_mini-stx_m1s", "cs_solarmeter", "n2l_env_sensors", "avr_env_sensors"]
+accessory_name = "none"; // ["none", "hk_uart", "c4_shell_boombox", "c4_desktop_lcd3.5", "c4_deskboom_lcd3.5", "c4_panel_boombox", "c4_panel_lcd3.5", "c4_tray_boombox", "c4_round", "c4_hex", "xu4_keyhole", "hc4_shell_drivebox2.5", "hc4_shell_drivebox2.5v", "hc4_shell_drivebox3.5", "hc4_tray_drivebox2.5", "m2_shell", "m1s_shell_nvme", "m1s_shell_ups", "m1s_tray_nvme", "m1_tray_ssd", "m1_fitted_pizzabox2.5", "m1_fitted_pizzabox3.5", "h3_shell", "h3_shell_router", "h3_lowboy", "h3_lowboy_router", "h3_ultimate", "h3_ultimate2", "show2_shell", "rpi5_m2hat", "rock5b", "adapter_mini-stx_m1s", "cs_solarmeter", "n2l_env_sensors", "avr_env_sensors"]
 // sbc information text color
 text_color = "Green"; // [Green, Black, Dimgrey, White, Yellow, Orange, Red, DarkbBlue]
 // sbc information text font
diff --git a/sbc_case_builder_accessories.cfg b/sbc_case_builder_accessories.cfg
index ffee422..7124d30 100644
--- a/sbc_case_builder_accessories.cfg
+++ b/sbc_case_builder_accessories.cfg
@@ -243,6 +243,10 @@ accessory_data = [
      "model","fan_cover",37,-4,7,"bottom",[90,0,0],["case",true,false,false],[40,0,3],["fan_1"],[false,10,2,"default"],
      "platter","fan_cover",-50,50,0,"bottom",[0,0,0],["case",false,false,false],[40,0,3],["fan_1"],[false,10,2,"default"]],
      
+     // Odroid-M2
+     ["m2_shell",
+     "add2","button",5.5,56,24,"top",[0,0,180],["sbc-case_z",false,false,true],[12,8,1.5],["cutout",[2,2,2,2],2.25],[true,10,2,"default"]],
+
      // Odroid-M1S
      ["m1s_shell_nvme",
      "sub","vent_hex",37,5,-1,"bottom",[0,0,0],["sbc",false,false,false],[11,3,5],[5,1.5,"horizontal",1],[false,10,2,"default"],