add weight
This commit is contained in:
Ricardo (XenGi) Band
parent
463df615e5
commit
c67faa5b31
6 changed files with 53 additions and 51651 deletions
2
.gitignore
vendored
2
.gitignore
vendored
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@ -1,5 +1,7 @@
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*.stl
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*.3mf
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*.dxf
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*.gcode
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# Created by https://www.toptal.com/developers/gitignore/api/linux,windows,macos,vim
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# Edit at https://www.toptal.com/developers/gitignore?templates=linux,windows,macos,vim
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6
Makefile
6
Makefile
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@ -1,4 +1,4 @@
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.PHONY: stl 3mf
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.PHONY: stl 3mf dxf
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stl:
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openscad --export-format binstl -o upper_case.stl upper_case.scad
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@ -10,3 +10,7 @@ stl:
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openscad --export-format 3mf -o lower_case.3mf lower_case.scad
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openscad --export-format 3mf -o plate.3mf plate.scad
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dxf:
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sed -i 's/\/\/ projection/projection/' plate.scad; openscad --export-format dxf -o plate.dxf plate.scad; sed -i 's/projection/\/\/ projection/' plate.scad
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openscad --export-format dxf -o weight.dxf weight.scad
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21
README.md
21
README.md
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@ -2,21 +2,30 @@
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CAD files for noisy cricket
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===========================
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# CAD files for noisy cricket
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Create files for 3D printing or CNC by running this (needs openscad):
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```shell
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make stl
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make 3mf
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make dxf
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```
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You can also find the CAD files on [printables.com](https://www.printables.com/model/531838-noisy-cricket-mini-gaming-keyboard).
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_You only need the DXF files if you want to CNC the plate or weight._
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- Threaded inserts for the plate are M2, height 2mm, outer diameter 3.2
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- Screws for the plate mounting are M2, length 3-3.5mm
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- Screws for the PCB mounting are M2, length 3.5-4.6mm
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## Hardware:
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- Threaded inserts for the plate, USB C daughter board and standoffs are M2, height 2mm, outer diameter 3.2 (10x)
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- Screws for the plate and USB-C daughter board are M2, length 3-3.5mm (6x)
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- Screws for the PCB mounting are M2, length 3.5-4.6mm (4x)
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- Standoffs are M2, length 3mm (4x)
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Threaded inserts from [AliExpress](https://www.aliexpress.com/item/1005004873154281.html).
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Screws from [AliExpress](https://www.aliexpress.com/item/32810852732.html).
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Standoffs from [AliExpress](https://www.aliexpress.com/item/1005003328519584.html).
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You can also find the CAD files on [printables.com](https://www.printables.com/model/531838-noisy-cricket-mini-gaming-keyboard).
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---
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@ -40,14 +40,15 @@ color("SaddleBrown") difference() {
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}
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cube([pololu_width, pololu_depth, pcb_thickness+0.1], center=true);
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// screw holes
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translate([-pololu_width/2+pololu_hole_spacing, pololu_depth/2-pololu_hole_spacing, -pcb_thickness/2-2]) cylinder(h=2, r=pololu_holes_radius);
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translate([pololu_width/2-pololu_hole_spacing, pololu_depth/2-pololu_hole_spacing, -pcb_thickness/2-2]) cylinder(h=2, r=pololu_holes_radius);
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translate([-pololu_width/2+pololu_hole_spacing, pololu_depth/2-pololu_hole_spacing, -pcb_thickness/2-threaded_insert_height]) cylinder(h=threaded_insert_height, d=3);
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translate([pololu_width/2-pololu_hole_spacing, pololu_depth/2-pololu_hole_spacing, -pcb_thickness/2-threaded_insert_height]) cylinder(h=threaded_insert_height, d=3);
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}
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// TODO: make dependent on case size
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translate([65, 26.75, case_bottom_thickness/2]) {
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cube([10, 40, case_bottom_thickness/2+1]);
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cube([72, 10, case_bottom_thickness/2+1]);
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translate([65, 26, case_bottom_thickness/2]) {
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translate([-7.5,30,0]) linear_extrude(case_bottom_thickness/2+1) polygon([[7.5,0], [7.5,10.75], [0,10.75]]);
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cube([10, 40.75, case_bottom_thickness/2+1]);
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cube([72, 11, case_bottom_thickness/2+1]);
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}
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// screw holes for upper case
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@ -61,25 +62,21 @@ color("SaddleBrown") difference() {
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translate([-case_thickness, pcb_depth-2*pcb_radius+case_thickness, 0]) cylinder(h=case_thickness+standoff_height+pcb_thickness+5, d=2);
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translate([pcb_width-2*pcb_radius+case_thickness, pcb_depth-2*pcb_radius+case_thickness, 0]) cylinder(h=case_thickness+standoff_height+pcb_thickness+5, d=2);
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// hole for weight
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difference() {
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hull() {
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translate([5,5,0]) cylinder(h=2, d=10);
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translate([pcb_width-2*pcb_radius-5,5,0]) cylinder(h=2, d=10);
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translate([5,pcb_depth-2*pcb_radius-5,0]) cylinder(h=2, d=10);
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translate([pcb_width-2*pcb_radius-5,pcb_depth-2*pcb_radius-5,0]) cylinder(h=2, d=10);
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}
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translate([pcb_width/2,pcb_depth/2+1,1.8]) mirror([1,0,0]) linear_extrude(0.2) text(text="noisy cricket", size=10, font="Liberation Sans:style=Bold", halign="center");
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translate([pcb_width/2,pcb_depth/2-11,1.8]) mirror([1,0,0]) linear_extrude(0.2) text(text="© XenGi 2023", size=6, font="Liberation Sans:style=Bold", halign="center");
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}
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}
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// mounting standoffs
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color("SaddleBrown") for(i = [0 : len(mounting_holes)-1]) {
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translate([mounting_holes[i][0] - pcb_radius, mounting_holes[i][1] - pcb_radius, case_bottom_thickness]) difference() {
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cylinder(h=standoff_height, d=4);
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cylinder(h=standoff_height, d=2);
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for(i = [0 : len(mounting_holes)-1]) {
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translate([mounting_holes[i][0] - pcb_radius, mounting_holes[i][1] - pcb_radius, case_bottom_thickness - 3]) union() {
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translate([0,0,1]) cylinder(h=2, d=3);
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cylinder(h=3, d=2);
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}
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}
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// hole for weight
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hull() {
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translate([5,5,0]) cylinder(h=1.5, d=10);
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translate([pcb_width-2*pcb_radius-5,5,0]) cylinder(h=1.5, d=10);
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translate([5,pcb_depth-2*pcb_radius-5,0]) cylinder(h=1.5, d=10);
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translate([pcb_width-2*pcb_radius-5,pcb_depth-2*pcb_radius-5,0]) cylinder(h=1.5, d=10);
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}
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translate([pcb_width/2,pcb_depth/2+1,1.5]) mirror([1,0,0]) linear_extrude(0.2) text(text="noisy cricket", size=10, font="Liberation Sans:style=Bold", halign="center");
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translate([pcb_width/2,pcb_depth/2-11,1.5]) mirror([1,0,0]) linear_extrude(0.2) text(text="© XenGi 2023", size=6, font="Liberation Sans:style=Bold", halign="center");
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}
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12
weight.scad
Normal file
12
weight.scad
Normal file
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@ -0,0 +1,12 @@
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// This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
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include <util.scad>
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$fn = 64;
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projection(cut=true) hull() {
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translate([5,5,0]) cylinder(h=1.5, d=10);
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translate([pcb_width-2*pcb_radius-5,5,0]) cylinder(h=1.5, d=10);
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translate([5,pcb_depth-2*pcb_radius-5,0]) cylinder(h=1.5, d=10);
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translate([pcb_width-2*pcb_radius-5,pcb_depth-2*pcb_radius-5,0]) cylinder(h=1.5, d=10);
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}
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