Files
cheapino/case/modules.scad
2025-01-18 22:07:28 +01:00

417 lines
8.9 KiB
OpenSCAD

//$fn=50;
pcb_thickness = 1.6;
bottom_plate_thickness = 2.5;
top_of_pcb = bottom_plate_thickness + pcb_thickness;
// bottom plate
module bottom()
{
color("pink")
translate([0,0,0])
linear_extrude(bottom_plate_thickness)
offset( delta=0)
base();
}
module base()
{
import ("plate.svg", center=true);
}
module board()
{
color("#1f77b4")
translate([0,0,-1.6])
linear_extrude(1.6)
rotate([0,180,0])
import("cheapino-brd.svg", center=true);
}
module hotswap_mx() {
thickness=1.85;
// Holes
translate([3.175,2.2,0])
linear_extrude(height=3.05)
circle(d=3);
translate([-3.175,-0.36,0])
linear_extrude(height=3.05)
circle(d=3);
// Body
linear_extrude(height=thickness)
square([11.8,5.2], center=true);
translate([0,1.9,0])
linear_extrude(height=thickness)
square([5.65, 2.39]);
// Metal soldering parts
translate([5.45,1.04,0])
linear_extrude(height=thickness)
square([2.5, 2.55]);
translate([-7.95,-1.7,0])
linear_extrude(height=thickness)
square([2.5, 2.55]);
}
module column(bottom) {
switch(bottom);
translate([0, 19, 0]) switch(bottom);
translate([0, 38, 0]) switch(bottom);
}
module switch(bottom) {
// hotswap socket
color("#ff7f0e")
translate([0,bottom ? -9.42 : 0,1.85])
rotate([180,0,0])
mirror([0,bottom ? 1 : 0,0])
hotswap_mx();
// main pin of switch
// 4mm d, 2.8mm high, 1.6mm pcb
// means 1.2 of it sticks below, 1.3 for margin
color("#2ca02c")
translate([-0.57, -4.7, 0])
linear_extrude(height=1)
circle(d=4.2);
// The two switch alignment pins
// They will need to be snipped if too long
color("#d62728")
translate([-5.74, -4.7, 0])
linear_extrude(height=1)
circle(d=1.8);
color("#d62728")
translate([4.45, -4.7, 0])
linear_extrude(height=1)
circle(d=1.8);
}
module diode() {
color("#8c564b")
linear_extrude(height=1.85)
square([9.9, 2]);
}
module rdiode() {
rotate(90)
diode();
}
module magsafe_ring()
{
translate([0,0,0])
linear_extrude(height=1.4)
difference() {
circle(d=55.1);
circle(d=44.9);
}
}
module rj_hole() {
color("#e377c2")
linear_extrude(1.7) {
translate([40.1,3.5,0])
circle(d=3.5);
translate([40.1,4.8,0])
circle(d=3.5);
}
}
module rj_pin_hole() {
color("#e377c2")
linear_extrude(1.3)
translate([33.7,3.5,0])
circle(d=2);
}
module encoder() {
color("#7f7f00")
linear_extrude(0.6) {
translate([32.65, 21.6])
square([2, 3.3]);
translate([43.85, 21.6])
square([2, 3.3]);
}
color("#7f0000")
linear_extrude(1) {
translate([35.7, 29.8])
square([7,2]);
translate([36.8, 16.3])
circle(d=2);
translate([41.77, 16.3])
circle(d=2);
}
}
module mcu() {
color("#7f7f7f")
linear_extrude(1.5) {
translate([30.65, 11.5])
square([2,22.5]);
translate([45.83, 11.5])
square([2,22.5]);
}
color("#7f7f7f")
linear_extrude(1)
translate([31.65, 11.5])
square([15,2]);
}
module mounting_hole() {
color("#bcbd22")
translate([45.85, -23, 0]) {
cylinder(h=1.5, r1=1, r2=2.2);
translate([0,0,1.5])
cylinder(h=4, r=2.2);
}
}
module bumper() {
color("#17becf")
translate([41, 29, 2.5])
cylinder(h=2, r=5);
color("#17becf")
translate([41, 29, 1.3])
cylinder(h=1.2, r1=4.5, r2=5);
}
module magnet() {
color("#9467bd")
cylinder(h=2.1, r=3.05);
}
module switches(bottom) {
// Columns starting from MCU
translate([19.3,-2.84,0])
column(bottom);
//rotate([0,0,180])
translate([0.3,-0.3,0])
column(bottom);
translate([-18.7,6.05,0])
column(bottom);
translate([-37.7,-0.3,0])
column(bottom);
translate([-56.7,-10.308,0])
column(bottom);
// Thumb cluster
translate([14.6264,-24.52])
switch(bottom);
rotate([0,0,-10])
translate([40.3,-19.3])
switch(bottom);
rotate([0,0,-23])
translate([65.65,-7.09])
switch(bottom);
}
module diodes() {
// The horizontal diodes
translate([-18.2, 10.01, 0]) diode();
translate([-28.79, 10.01, 0]) diode();
translate([-26.43, 28.98, 0]) diode();
translate([-9.663,21.77,0]) diode();
translate([0.8, 21.77, 0]) diode();
translate([13.906, 19.672, 0]) diode();
translate([15.938,0.866,0]) diode();
translate([5.688,-19.328,0]) diode();
translate([-5.218, 2.771, 0]) diode();
translate([-37.467,3.355,0]) diode();
translate([-47.827,3.355,0]) diode();
translate([-61.434,11.813,0]) diode();
translate([-61.8,-7.211,0]) diode();
translate([-47.816,22.304,0]) diode();
// The vertical(ish) diodes
translate([10.81, 24.5, 0]) rdiode();
translate([10.785, 6.861, 0]) rdiode();
translate([29.86, 24.906, 0]) rdiode();
translate([28.565, -2.935, 0]) rdiode();
translate([10.785, -13.346, 0]) rdiode();
translate([26.177, -31.38, 0]) rdiode();
translate([46.58, -35.6, 0])
rotate(76)
diode();
}
module rj45() {
// rj 45 stabilizers
rj_hole();
translate([0,-11.43,0]) rj_hole();
// rj 45 housing through holes
translate([3.1,2,0]) rj_hole();
translate([3.1,-13.49,0]) rj_hole();
// rj 45 pins
rj_pin_hole();
translate([0,-2.54,0]) rj_pin_hole();
translate([0, -5.08,0]) rj_pin_hole();
translate([0,-7.62,0]) rj_pin_hole();
translate([0,-10.16,0]) rj_pin_hole();
translate([-2.54,-1.27,0]) rj_pin_hole();
translate([-2.54,-3.81,0]) rj_pin_hole();
translate([-2.54,-6.35,0]) rj_pin_hole();
translate([-2.54,-8.89,0]) rj_pin_hole();
}
module mounting_holes() {
// Mounting holes
mounting_hole();
translate([-27.432,4.572,0]) mounting_hole();
translate([-18.288,44.704,0]) mounting_hole();
translate([-36.132,25.02,0]) mounting_hole();
translate([-56.183,52.928,0]) mounting_hole();
translate([-75.399,46.599,0]) mounting_hole();
translate([-94.267,36.473,0]) mounting_hole();
translate([-94.241,17.313,0]) mounting_hole();
translate([-3.048,-16.256,0]) mounting_hole();
}
//color("green")
//translate([0,0,0])
// import("hotswap.stl");
// Height of case is:
// 5.0mm from pcb to switch inset
// 1.6mm pcb height
// 2.5mm bottom plate
//
// for a total of 9.1mm.
//
// The case only adds 0.7mm extra height
// to the keyboard.
module case() {
color("red")
for (i = [0:step:8.1])
{
// factor = sqrt(pow(9.1, 2) - pow(i, 2));
factor = min(3 - abs(i*0.7-3), 2.5);
//echo(pow(i, 2));
//echo(factor);
translate([0,0,i]) //height_translation])
linear_extrude(height=1)
offset( delta=factor + 1 )
base();
//base_extended(factor, 1);
}
}
module switch_holes() {
// Columns starting from mcu
hole_column();
translate([-19, 2.54, 0]) hole_column();
translate([-38, 8.89, 0]) hole_column();
translate([-57, 2.54, 0]) hole_column();
translate([-76, -7.468, 0]) hole_column();
// Thumb cluster
translate([-4.674, -59.69, 0]) switch_hole();
rotate(-10) translate([21, -54.45, 0]) switch_hole();
rotate(-23) translate([46.25, -42.25, 0]) switch_hole();
}
module hole_column() {
switch_hole();
translate([0, -19, 0]) switch_hole();
translate([0, -38, 0]) switch_hole();
}
module switch_hole() {
translate([11.64, 23.45, 0]){
color("green") {
linear_extrude(10) {
square(14);
translate([0.2,0.2,0]) circle(d=1);
translate([13.8,0.2,0]) circle(d=1);
translate([13.8,13.8,0]) circle(d=1);
translate([0.2,13.8,0]) circle(d=1);
}
}
linear_extrude(3.5) {
translate([4.5, -1, 0])
color("yellow") square([5, 1]);
translate([4.5, 14, 0])
color("yellow") square([5, 1]);
}
}
}
module base()
{
import ("plate.svg", center=true);
}
module base_line(expanded)
{
difference()
{
offset( delta=expanded+1)
base();
offset( delta=expanded)
base();
}
}
module mounting_hole_insert() {
color("#bcbd22")
translate([45.85, -23, 0]) {
translate([0,0,4.1])
cylinder(h=4, r=1.4);
}
}
module mounting_hole_inserts() {
// Mounting holes
mounting_hole_insert();
translate([-27.432,4.572,0]) mounting_hole_insert();
translate([-18.288,44.704,0]) mounting_hole_insert();
translate([-36.132,25.02,0]) mounting_hole_insert();
translate([-56.183,52.928,0]) mounting_hole_insert();
translate([-75.399,46.599,0]) mounting_hole_insert();
translate([-94.267,36.473,0]) mounting_hole_insert();
translate([-94.241,17.313,0]) mounting_hole_insert();
translate([-3.048,-16.256,0]) mounting_hole_insert();
}
// MCU cutout
module mcu_cutout() {
color("pink") {
translate([29.5, 10.2, 4.1])
linear_extrude(10)
square([19.5, 25]);
// USB C port opening
translate([34.25, 25.2, 4.1])
linear_extrude(10)
square([10, 20]);
}
}