diff --git a/mod/case_bottom.scad b/mod/case_bottom.scad
index e38f4de..bcb891f 100644
--- a/mod/case_bottom.scad
+++ b/mod/case_bottom.scad
@@ -64,15 +64,15 @@ module case_bottom(case_design) {
                     }
                     if(case_design == "panel_nas") {
                        union() {
-                           translate([-gap,-2*wallthick,0]) 
-                                cube([width-2*(gap+sidethick),depth-wallthick,wallthick]);
-                            #translate([-gap-sidethick+(2*adj),depth-(3*wallthick)-gap-adj-20,0]) 
+                           translate([-gap,-wallthick,0]) 
+                                cube([width-2*(gap+sidethick),depth-(2*wallthick),wallthick]);
+                            translate([-gap-sidethick-(2*adj),depth-(3*wallthick)-gap-adj-20,0]) 
                                     cube([sidethick+(2*adj),10,floorthick]);
-                            #translate([width-(3*sidethick)-adj,depth-(3*wallthick)-gap-adj-20,0]) 
+                            translate([width-(3*sidethick)-adj,depth-(3*wallthick)-gap-adj-20,0]) 
                                     cube([sidethick+2*adj,10,floorthick]);
-                            #translate([-gap-sidethick+(2*adj),40-wallthick-gap+adj,0])
+                            translate([-gap-sidethick-(2*adj),40-wallthick-gap+adj,0])
                                     cube([sidethick+2*adj,10,floorthick]);
-                            #translate([width-(3*sidethick)-adj,40-wallthick-gap+adj,0])
+                            translate([width-(3*sidethick)-adj,40-wallthick-gap+adj,0])
                                     cube([sidethick+2*adj,10,floorthick]);
                         }
                     }
diff --git a/mod/case_side.scad b/mod/case_side.scad
index 0ce74d7..809fe02 100644
--- a/mod/case_side.scad
+++ b/mod/case_side.scad
@@ -132,8 +132,8 @@ module case_side(case_design, side) {
                 if(side == "rear") {
                     difference() {
                         union() {
-                            translate([-gap,-(2*wallthick),floorthick]) 
-                                cube([width-2*sidethick,wallthick,case_z-2*wallthick]);
+                            translate([-gap,-(2*wallthick),0]) 
+                                cube([width-2*sidethick,wallthick,case_z-wallthick]);
                             // bottom right tab
                             translate([width-(3*sidethick)-adj,-(2*wallthick),20])
                                 cube([sidethick+(2*adj),wallthick,10]);
@@ -182,8 +182,8 @@ module case_side(case_design, side) {
                 }
                 if(side == "right") {
                     difference() {
-                        translate([width-2*sidethick,-(3*wallthick)-gap,-wallthick]) 
-                            rotate([0,-90,0]) slab([case_z+(2*wallthick),depth+2*wallthick,sidethick],corner_fillet);
+                        translate([width-2*sidethick,-(3*wallthick)-gap,-2*wallthick]) 
+                            rotate([0,-90,0]) slab([case_z+(3*wallthick),depth+2*wallthick,sidethick],corner_fillet);
                         // rear edge top tab openings
                         translate([width-adj-(3*sidethick),-2*wallthick,case_z-30]) 
                             cube([sidethick+2*adj,wallthick+tol,20]);
@@ -211,26 +211,40 @@ module case_side(case_design, side) {
                                 rotate([0,0,0]) hd_holes(3.5, "portrait", "both", sidethick+2);
                         }
 
-                        // top edge front tab openings
+                        // top edge front tab opening
                         translate([width-(3*sidethick)-adj,depth-(3*wallthick)-gap-adj-30,
                             case_z-(2*floorthick)]) 
                                 cube([sidethick+(2*adj),20,floorthick+tol]);
-                        translate([width-(3*sidethick)-adj,depth-(3*wallthick)-gap-adj-30,
+                        translate([width-(3*sidethick)-adj,depth-(3*wallthick)-gap-adj-30-tol,
                             case_z-(2*floorthick)]) 
                                 cube([sidethick+2*adj,10+tol,(3*floorthick)+adj]);
-                        // top edge rear tab openings
+
+                        // top edge rear tab opening
                         translate([width-(3*sidethick)-adj,40-wallthick-gap+adj,
                             case_z-(2*floorthick)])
                                 cube([sidethick+(2*adj),10,floorthick+tol]);
-                        translate([width-(3*sidethick)-adj,30-wallthick-gap+adj,
+                        translate([width-(3*sidethick)-adj,30-wallthick-gap+adj-tol,
                             case_z-(2*floorthick)]) 
                                 cube([sidethick+(2*adj),10+tol,(3*floorthick)+adj]);
+
+                        // bottom edge front tab opening
+                        translate([width-(3*sidethick)-adj,depth-(3*wallthick)-gap-adj-30-tol,-tol]) 
+                                cube([sidethick+2*adj,20+tol,floorthick+tol]);
+                        translate([width-(3*sidethick)-adj,depth-(3*wallthick)-gap-adj-30-tol,-(3*floorthick)+adj]) 
+                                cube([sidethick+2*adj,10+tol,(3*floorthick)+adj]);
+
+                        // bottom edge rear tab opening
+                        translate([width-(3*sidethick)-adj,30-wallthick-gap+adj-tol,-tol])
+                                cube([sidethick+2*adj,20+tol,floorthick+tol]);
+                        translate([width-(3*sidethick)-adj,30-wallthick-gap+adj-tol,-(3*floorthick)+adj]) 
+                                cube([sidethick+(2*adj),10+tol,(3*floorthick)+adj]);
+
                     }
                 }
                 if(side == "left") {
                     difference() {
-                        translate([-gap,-(3*wallthick)-gap,-wallthick]) 
-                            rotate([0,-90,0]) slab([case_z+(2*wallthick),depth+(2*wallthick),sidethick],corner_fillet);
+                        translate([-gap,-(3*wallthick)-gap,-2*wallthick]) 
+                            rotate([0,-90,0]) slab([case_z+(3*wallthick),depth+(2*wallthick),sidethick],corner_fillet);
                         // rear edge top tab openings
                         translate([-sidethick-gap-adj,-2*wallthick,case_z-30]) 
                             cube([sidethick+2*adj,wallthick+tol,20]);
@@ -262,17 +276,29 @@ module case_side(case_design, side) {
                         translate([-gap-sidethick-adj,depth-(3*wallthick)-gap-adj-30,
                             case_z-(2*floorthick)]) 
                                 cube([sidethick+(2*adj),20,floorthick+tol]);
-                        translate([-gap-sidethick-adj,depth-(3*wallthick)-gap-adj-30,
+                        translate([-gap-sidethick-adj,depth-(3*wallthick)-gap-adj-30-tol,
                             case_z-(2*floorthick)]) 
                                 cube([sidethick+(2*adj),10+tol,(3*floorthick)+adj]);
                         // top edge rear tab openings
                         translate([-gap-sidethick-adj,40-wallthick-gap+adj,
                             case_z-(2*floorthick)])
                                 cube([sidethick+(2*adj),10,floorthick+tol]);
-                        translate([-gap-sidethick-adj,30-wallthick-gap+adj,
+                        translate([-gap-sidethick-adj,30-wallthick-gap+adj-tol,
                             case_z-(2*floorthick)]) 
                                 cube([sidethick+(2*adj),10+tol,(3*floorthick)+adj]);
 
+                        // bottom edge front tab openings
+                        translate([-gap-sidethick-adj,depth-(3*wallthick)-gap-adj-30,-tol]) 
+                                cube([sidethick+(2*adj),20,floorthick+tol]);
+                        translate([-gap-sidethick-adj,depth-(3*wallthick)-gap-adj-30-tol,-(2*floorthick)-adj]) 
+                                cube([sidethick+(2*adj),10+tol,(3*floorthick)+adj]);
+
+                        // bottom edge rear tab openings
+                        translate([-gap-sidethick-adj,30-wallthick-gap+adj,-tol])
+                                cube([sidethick+(2*adj),20,floorthick+tol]);
+                        translate([-gap-sidethick-adj,30-wallthick-gap+adj-tol,-(2*floorthick)-adj]) 
+                                cube([sidethick+(2*adj),10+tol,(3*floorthick)+adj]);
+
                     }
                 }
             }
diff --git a/sbc_case_builder.json b/sbc_case_builder.json
index 9162578..f5d2288 100644
--- a/sbc_case_builder.json
+++ b/sbc_case_builder.json
@@ -9748,7 +9748,7 @@
             "multipcb_top_standoffs": "false",
             "nas_sbc_location": "top",
             "pcb_loc_x": "8",
-            "pcb_loc_y": "0",
+            "pcb_loc_y": "1",
             "pcb_loc_z": "0",
             "raise_top": "0",
             "rear_cooling": "fan_hex",
diff --git a/sbc_case_builder.scad b/sbc_case_builder.scad
index ecb595e..7941791 100644
--- a/sbc_case_builder.scad
+++ b/sbc_case_builder.scad
@@ -644,7 +644,7 @@ if (view == "model") {
         }
         if(case_design == "panel_nas") {
             if(lower_bottom >= 0) {
-                color("dimgrey",1) translate([0,0,-lower_bottom]) case_bottom(case_design);
+                color("grey",1) translate([0,0,-lower_bottom]) case_bottom(case_design);
             }
             if(raise_top >= 0) {
                 color("grey",1) translate([0,0,raise_top])case_top(case_design);
@@ -1042,7 +1042,7 @@ if(case_design == "tray" || case_design == "tray_vu5" || case_design == "tray_vu
 }
 else {
     if(case_design == "panel_nas") {
-        echo(width=width+(101.6-width+(2*sidethick)),depth=depth,top=top_height,bottom=bottom_height, height=case_z+(2*wallthick));
+        echo(width=width+(101.6-width+(2*sidethick)),depth=depth,top=top_height,bottom=bottom_height, height=case_z+(3*wallthick));
     }
     else {
         echo(width=width,depth=depth,top=top_height,bottom=bottom_height);