Add the enclosure

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Savanni D'Gerinel 2024-09-08 13:09:04 -04:00
parent 88cf32047b
commit 8ac2cdb6ff
1 changed files with 174 additions and 0 deletions

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@ -0,0 +1,174 @@
width = 65;
length = 75;
height = 16;
wall_thickness = 2;
guide_thickness = 1;
power_width = 21;
output_width = 37.5;
half_wall_thickness = wall_thickness / 2;
standoff_thickness = 10;
hole_diameter = 3;
// The radius of a nut in mm. However, based on my measurements, I'm not actually sure I have this right. The short height of a nut is 7.86mm. Derive from there.
nut_radius = 8.5 * cos(30) / 2;
nut_height = 2.69; // mm
screw_radius = 2;
handlebar_radius = 15;
clasp_thickness = 4;
clasp_width = 35;
circular_face_count = 96;
module hexagon(r, h) {
pi = 3.1415926;
polyhedron(
points=[
[r, 0, 0],
[r * cos(60), r * sin(60), 0],
[r * cos(120), r * sin(120), 0],
[r * cos(180), r * sin(180), 0],
[r * cos(240), r * sin(240), 0],
[r * cos(300), r * sin(300), 0],
[r, 0, h],
[r * cos(60), r * sin(60), h],
[r * cos(120), r * sin(120), h],
[r * cos(180), r * sin(180), h],
[r * cos(240), r * sin(240), h],
[r * cos(300), r * sin(300), h],
],
faces=[
[0, 1, 2, 3, 4, 5],
[11, 10, 9, 8, 7, 6],
[6, 7, 1, 0],
[7, 8, 2, 1],
[8, 9, 3, 2],
[9, 10, 4, 3],
[10, 11, 5, 4],
[11, 6, 0, 5],
]
);
}
// Nut holders are blocks that have a hole drilled through them and a hexagonal-shaped cavity. The idea is to
module nut_holder() {
difference() {
translate([-4.5, -4.5, -2]) cube([9, 9, 4]);
union() {
translate([0, 0, -1]) hexagon(nut_radius, 2);
cylinder(h = 6, r = screw_radius, center = true, $fn = 24);
}
}
}
module screw_hole() {
union() {
translate([0, 0, 4]) cylinder(h = 2.1, r = screw_radius * 2, center = true, $fn = 24);
cylinder(h = 6, r = screw_radius, center = true, $fn = 24);
}
}
module base() {
cube([width, length, wall_thickness]);
}
module face() {
union() {
cube([width, length, wall_thickness / 2]);
translate([wall_thickness, wall_thickness, wall_thickness / 2]) cube([width-wall_thickness*2, length-wall_thickness*2, wall_thickness / 2]);
translate([4.5 + wall_thickness, 4.5 + wall_thickness, 4]) nut_holder();
translate([width - 4.5 - wall_thickness, 4.5 + wall_thickness, 4]) nut_holder();
translate([width - 4.5 - wall_thickness, length - 4.5 - wall_thickness, 4]) nut_holder();
translate([4.5 + wall_thickness, length - 4.5 - wall_thickness, 4]) nut_holder();
}
}
module wall(length) {
cube([length, height, wall_thickness]);
}
module power_wall() {
difference() {
wall(65);
translate([9, 2, -.5]) cube([power_width, height, wall_thickness + 1]);
}
}
module output_wall() {
difference() {
wall(65);
translate([9, 2, -.5]) cube([output_width, height, wall_thickness + 1]);
}
}
// Use hexagons as cutouts into which I can install a hex nut. This isn't quite right yet, but close.
// hexagon(nut_radius, 1);
// cube([standoff_thickness, standoff_thickness, 2]);
/*
difference() {
union() {
base();
rotate([90, 0, 90]) wall(75);
// translate([width - wall_thickness, 0, 0]) rotate([90, 0, 90]) wall(length);
// rotate([90, 0, 0]) power_wall();
// translate([0, length, 0]) rotate([90, 0, 0]) output_wall();
// translate([wall_thickness,
// wall_thickness,
// wall_thickness]) standoff();
// translate([width - wall_thickness - standoff_thickness,
// wall_thickness,
// wall_thickness]) standoff();
// translate([wall_thickness,
// length - wall_thickness - standoff_thickness,
// wall_thickness]) standoff();
// translate([width - wall_thickness - standoff_thickness,
// length - wall_thickness - standoff_thickness,
// wall_thickness]) standoff();
}
// translate([-half_wall_thickness, -wall_thickness - half_wall_thickness, height - half_wall_thickness]) cube([wall_thickness, length + wall_thickness * 2, wall_thickness]);
// translate([width - half_wall_thickness, -wall_thickness - half_wall_thickness, height - half_wall_thickness]) cube([wall_thickness, length + wall_thickness * 2, wall_thickness]);
// translate([-half_wall_thickness, -half_wall_thickness, height - half_wall_thickness]) rotate([0, 0, 270]) cube([wall_thickness, width + wall_thickness * 2, wall_thickness]);
// translate([-half_wall_thickness, length + half_wall_thickness, height - half_wall_thickness]) rotate([0, 0, 270]) cube([wall_thickness, width + wall_thickness * 2, wall_thickness]);
}
*/
module box() {
difference() {
union() {
cube([width, length, wall_thickness * 2]);
translate([0, 0, wall_thickness]) rotate([90, 0, 90]) wall(length);
translate([width - wall_thickness, 0, wall_thickness]) rotate([90, 0, 90]) wall(length);
translate([0, wall_thickness, wall_thickness]) rotate([90, 0, 0]) wall(width);
translate([0, length, wall_thickness]) rotate([90, 0, 0]) wall(width);
}
translate([4.5 + wall_thickness, 4.5 + wall_thickness, 4]) rotate([180, 0, 0]) screw_hole();
translate([width - 4.5 - wall_thickness, 4.5 + wall_thickness, 4]) rotate([180, 0, 0]) screw_hole();
translate([width - 4.5 - wall_thickness, length - 4.5 - wall_thickness, 4]) rotate([180, 0, 0]) screw_hole();
translate([4.5 + wall_thickness, length - 4.5 - wall_thickness, 4]) rotate([180, 0, 0]) screw_hole();
}
}
module top_clasp() {
difference() {
union() {
cylinder(h = clasp_width, r = handlebar_radius + clasp_thickness, center = true, $fn = circular_face_count);
translate([0, 0, -clasp_width / 2]) cylinder(h = 1, r = handlebar_radius + clasp_thickness + 1.5, center = true, $fn = circular_face_count);
translate([0, 0, -clasp_width / 2 + 4]) cylinder(h = 1, r = handlebar_radius + clasp_thickness + 1.5, center = true, $fn = circular_face_count);
translate([0, 0, clasp_width / 2]) cylinder(h = 1, r = handlebar_radius + clasp_thickness + 1.5, center = true, $fn = circular_face_count);
translate([0, 0, clasp_width / 2 - 4]) cylinder(h = 1, r = handlebar_radius + clasp_thickness + 1.5, center = true, $fn = circular_face_count);
translate([-handlebar_radius-5, -10, -clasp_width / 2 + 6]) cube([6, 20, clasp_width - 12]);
}
translate([-0.5, 0, 0]) cylinder(h = clasp_width+2, r = handlebar_radius + 1, center = true, $fn = circular_face_count);
translate([-0.5, -handlebar_radius - 10, -clasp_width / 2 - 1]) cube([handlebar_radius + 10, handlebar_radius * 2 + 20, clasp_width + 2]);
}
}
module body() {
union() {
box();
// translate([width / 2, length / 2, -5 - handlebar_radius]) rotate([0, 90, 90]) top_clasp();
}
}
body();
// translate([width + 10, 0, 0]) face();