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README.md

SBC Case Builder

Introduction

This project is about autonomous SBC case creation. It utilizes the SBC Model Framework project to automatically generate cases based on the data for any given SBC contained within the framework.

License: GPLv3.

Image

Install

git clone https://github.com/hominoids/SBC_Case_Builder.git; cd SBC_Case_Builder git submodule init git submodule update

Notes

More information can be found at this Hard Kernel forum thread

Case Designs and Styles

The case naming convention for standard cases in the configuration file follow the basic form of “sbc””design””style” e.g. c4_shell or c4_tray_vu5.

Current Case Count 114 Odorid-C1+ cases - 12 : c1+_shell,c1+_panel,c1+_panel_lcd3.5,c1+_desktop_lcd3.5,c1+_stacked,c1+_tray,c1+_tray_sides,c1+_tray_vu5, c1+_tray_vu7,c1+_shell_boombox,c1+_panel_boombox,c1+_tray_boombox Odorid-C2 cases - 13 : c2_shell,c2_panel,c2_panel_lcd3.5,c2_desktop_lcd3.5,c2_stacked,c2_tray,c2_tray_sides,c2_tray_vu5, c2_tray_vu7,c2_shell_boombox,c2_panel_boombox,c2_deskboom_lcd3.5,c2_tray_boombox, Odorid-C4 cases - 13 : c4_shell,c4_panel,c4_panel_lcd3.5,c4_desktop_lcd3.5,c4_stacked,c4_tray,c4_tray_sides,c4_tray_vu5, c4_tray_vu7,c4_shell_boombox,c4_panel_boombox,c4_deskboom_lcd3.5,c4_tray_boombox Odorid-HC4 cases - 11 : hc4_shell,hc4_shell_drivebox2.5,hc4_shell_drivebox2.5v,hc4_shell_drivebox3.5,hc4_panel,hc4_stacked ,hc4_tray,hc4_tray_sides,hc4_tray_vu5,hc4_tray_vu7,hc4_tray_drivebox2.5 Odorid-N1 cases - 7 : n1_shell,n1_panel,n1_stacked,n1_tray,n1_tray_sides,n1_tray_vu5,n1_tray_vu7 Odorid-N2 cases - 5 : n2_panel,n2_tray,n2_tray_sides,n2_tray_vu5,n2_tray_vu7 Odorid-N2+ cases - 5 :n2+_panel,n2+_tray,n2+_tray_sides,n2+_tray_vu5,n2+_tray_vu7 Odorid-XU4 cases - 7 : xu4_shell,xu4_panel,xu4_stacked,xu4_tray,xu4_tray_sides,xu4_tray_vu5,xu4_tray_vu7 Odorid-XU4Q cases - 7 : xu4q_shell,xu4q_panel,xu4q_stacked,xu4q_tray,xu4q_tray_sides,xu4q_tray_vu5,xu4q_tray_vu7 Odroid-MC1 cases - 0 Odroid-HC1 cases - 0 Odroid-HC2 cases - 0 Odroid-H2 cases - 13 : h2_shell,h2_lowboy,h2_lowboy_router,h2_shell_router,h2_shell_routerssd,h2_panel,h2_stacked,h2_tray,h2_tray_sides, h2_tray_vu5,h2_tray_vu7,h2_tray_router,h2_router_station Odroid-Show2 cases - 1 : show2_shell Other cases - 10 : jetsonnano_shell,jetsonnano_panel,jetsonnano_stacked,jetsonnano_tray,jetsonnano_tray_sides, rockpro64_shell,rockpro64_panel,rockpro64_stacked,rockpro64_tray,rockpro64_tray_sides rpi3b+_shell,rpi3b+_panel,rpi3b+_stacked,rpi3b+_tray

Case and Accessory Schema

The schema for case configuration and accessories is documented in the beginning of the file sbc_case_builder.cfg. It has not been finalized and may be subject to changes in the near future as development in these areas is ongoing. Here is a review of the current schema which will be updated as needed for each release. The schema is divided into two areas, case and accessories. There are 30 fixed entries that describe any given case followed by an unlimited number of accessory entries each containing 14 entries.

schema:

"case_name","sbc_model","case_design","case_style",
pcb_loc_x,pcb_loc_y,pcb_loc_z,case_offset_x,case_offset_y,case_offset_tz,case_offset_bz,
wallthick,floorthick,sidethick,gap,fillet,
indents,sidewall_support,sbc_top_standoffs,sbc_bottom_standoffs,case_ext_standoffs,mode
sata_punchout,"gpio_opening","cooling","exhaust_vents",
top_standoff[    6.75,     // diameter
                   18,     // height (top_height)
                  2.5,     // holesize
                   10,     // supportsize
                    4,     // supportheight
                    4,     // 0=none, 1=countersink, 2=recessed hole, 3=nut holder, 4=blind hole
                    0,     // standoff style 0=hex, 1=cylinder
                    1,     // enable reverse standoff
                    0,     // enable insert at top of standoff
                  4.5,     // insert hole dia. mm
                  5.1],    // insert depth mm
bottom_standoff[ 6.75,     // diameter
                    5,     // height (bottom_height-pcb_z)
                  3.6,     // holesize
                   10,     // supportsize
                    4,     // supportheight
                    1,     // 0=none, 1=countersink, 2=recessed hole, 3=nut holder, 4=blind hole
                    0,     // standoff style 0=hex, 1=cylinder
                    0,     // enable reverse standoff
                    0,     // enable insert at top of standoff
                  4.5,     // insert hole dia. mm
                  5.1],    // insert depth mm
top_ext_standoff[    6.75, // diameter
                   18,     // height (top_height)
                  2.5,     // holesize
                   10,     // supportsize
                    4,     // supportheight
                    4,     // 0=none, 1=countersink, 2=recessed hole, 3=nut holder, 4=blind hole
                    0,     // standoff style 0=hex, 1=cylinder
                    1,     // enable reverse standoff
                    0,     // enable insert at top of standoff
                  4.5,     // insert hole dia. mm
                  5.1],    // insert depth mm
bottom_ext_standoff[ 6.75, // diameter
                    5,     // height (bottom_height-pcb_z)
                  3.6,     // holesize
                   10,     // supportsize
                    4,     // supportheight
                    1,     // 0=none, 1=countersink, 2=recessed hole, 3=nut holder, 4=blind hole
                    0,     // standoff style 0=hex, 1=cylinder
                    0,     // enable reverse standoff
                    0,     // enable insert at top of standoff
                  4.5,     // insert hole dia. mm
                  5.1],    // insert depth mm

"class","type",loc_x,loc_y,loc_z,face,rotation[],size_x,size_y,size_z,data_1,data_2,"data_3",data_4[]

Fixed Schema Entries The 30 fixed schema entries are self-evident based on their name.

case_name = “case_name”
sbc_model = any sbc from sbc model framework: "c1+","c2","c4","hc4","xu4","xu4q","mc1","hc1","n1","n2","n2+","h2"
case_design = "shell", "panel", "stacked", "tray"
case_style = “style” of case_design (tray: none, vu5, vu7)
pcb_loc_x = sbc location x axis
pcb_loc_y = sbc location y axis
pcb_loc_z = sbc location z axis
case_offset_x = additional case x axis size
case_offset_y = additional case y axis size
case_offset_tz = additional case top z axis size
case_offset_bz = additional case bottom z axis size
wallthick = case wall thickness
floorthick = case floor thickness
sidethick = case side thickness
gap = distance between pcb and case
fillet = edge fillets
indents = enable indentations around io openings (true or false)
sidewall_support = enable wall support for standoffs (true or false)
sbc_top_standoffs = enable sbc top standoffs (true or false)
sbc_bottom_standoffs = enable sbc bottom standoffs (true or false)
case_ext_standoffs = enable case extended standoffs (true or false)
sata_punchout = enable sata punchout (true or false)
gpio_opening = gpio openings "none","vent","open","punchout"
cooling = "none", "vents", "fan", "custom" using ./dxf/customfan.dxf
exhaust_vents = exhaust vents "none","vent"
top_standoff[] = top pcb standoffs
bottom_standoff[] = bottom pcb standoffs
top_ext_standoff[] = top extended standoffs
bottom_ext_standoff[] = bottom extended standoffs
mode = special mode "net_card"

Accessories Configuration Entries

The accessories entries need more explanation because of their input variability. For accessories there are 6 classes, “add1”,“sub”,”suball”,”add2”,”model”,”platter” and all use the same command format for various “type”.

"class","type",loc_x,loc_y,loc_z,size_x,size_y,size_z,"face",rotation[],data_1,data_2,"data_3",data_4[]

Code: Select all

"sub","rectangle",3,78,-.1,8,8,5,"bottom",[0,0,0,],0,0,"",[1,1,1,1],

Every type, regardless of it’s class, uses a basic set of variables(loc_x,loc_y,loc_z,”face”,rotation[]) but each type doesn’t necessarily use all available data fields(size_x,size_y,size_z,data_1,data_2,”data_3”,data_4[]). “add1” and “add2” are used to add geometry to the case. The difference is when the addition occurs. “add1” happens at the beginning when the core case geometry is created and add2 happens after all subtractions have occurred. “suball” is used to affect all faces of a case, not just “face”. The “face” is the case piece that will be effected by the addition or subtraction. The "model" type is for placing supporting accessories in the model view. e.g. hard drives, fans. The "platter" type is for adding supporting accessories to the print platter.

classes: add1, sub, suball, add2, model, platter

additive type: circle, rectangle, slot, text, art, standoff, batt_holder, uart_holder, hd_holder, hd_holes, hd_vertright_holes, hc4_oled_holder, access_port, button, pcb_holder, boom_grill, boom_speaker_holder subtractive type: circle, rectangle, slot, text, art, punchout, vent, fan, hd_holes, hd_vertleft_holes, hd_vertright_holes model type: uart_strap, fan_cover, hd25, hd35, hc4_oled, feet, access_cover, net_card, hk35_lcd, hk_boom, boom_speaker, boom_vring, hk_uart platter type: uart_strap, fan_cover, access_cover, button_top, boom_vring

Shared add and sub “type” commands

-circle description: circlular geometry. uses: size_x=dia, size_z=height -rectangle description: rectangular geometry with individual defined corner fillets. Radius1 is lower left corner then moves clockwise. uses: size_x, size_y, size_z, data_4=[radius1, radius2, radius3, radius4] -slot description: slot geometry. uses: size_x=diameter, size_y=length, size_z=height -text description: raised or sunk text uses: data_1=size, data_3="text" -art description: art work in dxf or svg format uses: data_1=scale, data_2=height, data_3=file

Add class only “types”

-uart_holder description: console uart holder uses: none -batt_holder description: rtc battery holder uses: none -standoff description: user defined standoff uses: data_4=

[ 6.75, // radius
5, // height
3.6, // holesize
10, // supportsize
4, // supportheight
1, // 0=none, 1=countersink, 2=recessed hole, 3=nut holder, 4=blind hole
0, // standoff style 0=hex, 1=cylinder
0, // enable reverse standoff
0, // enable insert at top of standoff
4.5, // insert hole dia. mm
5.1] // insert depth mm

-hd_holder description: double stacked holder for 2.5 and 3.5 drives uses: data_1=2.5 or 3.5, data_3=”portrait” or “landscape” -hd_vertleft_holder description: vertical left side holder for 2.5 and 3.5 drives uses: data_1=2.5 or 3.5, data_3=”portrait” or “landscape” -hd_vertright_holder description: vertical right side holder for 2.5 and 3.5 drives uses: data_1=2.5 or 3.5, data_3=”portrait” or “landscape” -hc4_oled_holder description: hc4 oled holder uses: size_z=floorthick -access_port description: bottom access for sd and emmc uses: size_z=floorthick, data_3=”portrait” or “landscape” -button description: button top and plunger uses: size_x=diameter,size_z=height, data_3=”reccess” -pcb_holder description: pcb bottom edge holder uses: size_x=pcb_x,size_y=pcb_y,size_z=pcb_z, data_1=wall_thick -boom_grill description: hk boom bonnet grill covers uses: data_3="flat", "dome", "frame" -boom_speaker_holder description: hk boom bonnet speaker friction holder uses: data_1=tolorence

Sub class only “types”

-punchout description: punchout in rectangle, round or slot shape uses: size_x=width, size_y=depth, data_1=gap, size_z=thick, data_2=fillet, data_3="rectangle","round" or "slot" -vent description: horizontal or vertical vent openings uses: size_x=open_width, size_y=open_length, size_z=thick, data_4=gap, data_1=rows, data_3=columns, data_3=orientation("vertical","horizontal") -fan description: fan opening uses: size_x=size, size_z=thick, date_1=style(1=open,2=fan) -hd_holes description: bottom hole pattern for 2.5 or 3.5 drives uses: data_1=2.5 or 3.5, data_2=thick, data_3=”portrait” or “landscape” -hd_vertleft_holes description: bottom hole pattern for 2.5 or 3.5 drives uses: data_1=2.5 or 3.5, data_2=thick, data_3=”portrait” or “landscape” -hd_vertright_holes description: bottom hole pattern for 2.5 or 3.5 drives uses: data_1=2.5 or 3.5, data_2=thick, data_3=”portrait” or “landscape”-component mask(incomplete)

Model class “types”

-uart_strap description: console uart holder strap uses: none -fan_cover description: cover for fan hole opening uses: size_x=40 or 80, size_z=thick -hd25 description: 2.5 hard drive uses: data_1=height -hd35 description: 3.5 hard drive uses: none -hc4_oled description: hc4_oled model uses: none -feet description: case feet uses: size_x=diameter, size_z=height -access_cover description: bottom access cover for sd and emmc uses: size_z=floorthick, data_3=”portrait” or “landscape” -button_top description: button top and plunger uses: size_x=diameter,size_z=height, data_3=”reccess” -h2_netcard description: h2 network card model uses: none -hk_lcd35 description: hk 3.5 inch lcd model uses: none -hk_boom description: hk stereo boom bonnet model uses: data_1=speakers(true or false), data_3=”front” or "rear" -boom_speaker description: hk stereo boom bonnet speaker uses: data_1=pcb(true or false), data_3=”left” or "right" -hk_speaker description: hk speaker model uses: none -boom_vring description: hk stereo boom bonnet volume wheel extention uses: data_1=tolerence -hk_uart description: hk console uart model uses: none

Platter class “types”

-uart_strap description: console uart holder strap uses: none -fan_cover description: cover for fan hole opening uses: size_x=40 or 80, size_z=thick -access_cover description: bottom access cover for sd and emmc uses: size_z=floorthick, data_3=”portrait” or “landscape” -button_top description: button top and plunger uses: size_x=diameter,size_z=height, data_3=”reccess” -boom_vring description: hk stereo boom bonnet volume wheel extention uses: data_1=tolerence

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Autonomous SBC case generation using SBC Model Framework
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