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Case for MKS - bottom part

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This commit is contained in:
Przemek Grondek 2021-08-16 20:51:23 +02:00
parent d75b2eb0fa
commit 39a87faed9
2 changed files with 140 additions and 49 deletions
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MKS Gen L v1.0/Case-Bottom.stl Normal file
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MKS Gen L v1.0/Case.scad
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@ -1,72 +1,163 @@
// MKS Gen L v1.0
width=110;
depth=84;
height=25;
thickness=2;
mount_peg=3;
spacing=2;
width = 110;
depth = 84;
height = 25;
thickness = 3;
mount_peg = 3;
spacing = 10;
peg_up=3;
peg_bottom=8;
pcb_thickness=1.5;
peg_up = 3;
peg_bottom = 8;
pcb_thickness = 1.5;
screw_size = height - thickness; // 10;
//
$fn=100;
$fn = 100;
base(mount_peg);
walls();
//bottom_part();
color("green") {
top_part();
module bottom_part() {
union() {
base();
walls();
screw_mounts();
}
}
module base(d1){
x = width + 2*spacing;
y = depth + 2*spacing;
module top_part() {
x = width + 2 * spacing;
y = depth + 2 * spacing;
d = (peg_up + 2) / 2 + 2;
h = height - thickness + 2;
difference() {
translate([0, 0, height - thickness])
cube([x, y, thickness]);
screw_cutoff();
translate([x - 8, 0, 0])
screw_cutoff();
translate([0, y - 8, 0])
screw_cutoff();
translate([x - 8, y - 8, 0])
screw_cutoff();
}
}
module screw_mounts() {
d = (peg_up) + 1;
x = width + 2 * spacing - 4;
y = depth + 2 * spacing - 4;
h = 0; //height - (screw_size + thickness);
translate([d, d, h])
rotate([0, 0, 180])
screw_mount();
translate([x, d, h])
rotate([0, 0, - 90])
screw_mount();
translate([d, y, h])
rotate([0, 0, 90])
screw_mount();
translate([x, y, h])
screw_mount();
}
module screw_mount() {
difference() {
union() {
cylinder(h = screw_size, d = peg_up + 3);
translate([0, - peg_up, 0])
cube([peg_up * 2, peg_up * 2, screw_size]);
translate([- peg_up, 0, 0])
cube([peg_up * 2, peg_up * 2, screw_size]);
}
translate([0, 0, - screw_size * 0.1])
cylinder(h = screw_size * 1.3, d = peg_up);
}
}
module base() {
d1 = mount_peg;
x = width + 2 * spacing;
y = depth + 2 * spacing;
cube([x, y, thickness]);
translate([4 + spacing , 4 + spacing, thickness])
peg(h= thickness);
translate([x-(4+spacing), 4 + spacing, thickness])
peg(h= thickness);
translate([x-(4+spacing), y-(4+spacing), thickness])
peg(h= thickness);
translate([(4+spacing), y-(4+spacing), thickness])
peg(h= thickness);
translate([4 + spacing, 4 + spacing, thickness])
peg(h = thickness);
translate([x - (4 + spacing), 4 + spacing, thickness])
peg(h = thickness);
translate([x - (4 + spacing), y - (4 + spacing), thickness])
peg(h = thickness);
translate([(4 + spacing), y - (4 + spacing), thickness])
peg(h = thickness);
}
module walls(){
module walls() {
difference() {
walls_basic();
// power ports
translate([0,0,thickness+ pcb_thickness]){
translate([-spacing*1.5, 9, 5])
cube([spacing*2, 10.5, 13]);
translate([-spacing*1.5, 21, 5])
cube([spacing*2, 10.5, 13]);
translate([-spacing*1.5, 32, 5])
cube([spacing*2, 21, 6]);
}
}
// power ports
translate([0, 0, thickness + pcb_thickness]) {
translate([- spacing * 1.5, 9, 5])
cube([spacing * 2, 10.5, 13]);
translate([- spacing * 1.5, 21, 5])
cube([spacing * 2, 10.5, 13]);
translate([- spacing * 1.5, 32, 5])
cube([spacing * 2, 21, 6]);
}
// usb
translate([0, 0, thickness + pcb_thickness]) {
translate([21, - spacing * 1.5, 5])
cube([12, spacing * 2, 11]);
}
// holes for mounts
translate([30, depth + thickness * 3.5, thickness + 10])
rotate([90, 0, 0])
cylinder(h = thickness * 2, d = 3);
translate([width - 30, depth + thickness * 3.5, thickness + 10])
rotate([90, 0, 0])
cylinder(h = thickness * 2, d = 3);
}
}
module walls_basic(){
x = width + 2*spacing;
y = depth + 2*spacing;
translate([0,-thickness,0])
module walls_basic() {
x = width + 2 * spacing;
y = depth + 2 * spacing;
translate([0, - thickness, 0])
cube([x, thickness, height]);
translate([0,y,0])
translate([0, y, 0])
cube([x, thickness, height]);
translate([x,-thickness,0])
cube([thickness,y + 2 * thickness, height]);
translate([-thickness,-thickness,0])
cube([thickness,y + 2* thickness, height]);
translate([x, - thickness, 0])
cube([thickness, y + 2 * thickness, height]);
translate([- thickness, - thickness, 0])
cube([thickness, y + 2 * thickness, height]);
}
module peg(h) {
cylinder(h = h, d = peg_bottom);
cylinder(h = h *3, d = peg_up);
cylinder(h = h * 3, d = peg_up);
}
module screw_cutoff() {
d = (peg_up + 5) / 2;
h = height - thickness + 2;
translate([d, d, h])
cylinder(h = 2, d1 = 3, d2 = 6);
translate([d, d, h - 2])
cylinder(h = 2, d = 3);
}