LoRaWAN-Signal-Mapping/iot/Housing.scad

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2.5 KiB
OpenSCAD
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////////////////
/// Settings ///
////////////////
// The thickness of the walls
wall_thickness = 2;
// The dimensions of the box on the inside
box_inside = [
110, // X
130, // Y
110 // Z
];
screw_diameter = 3;
screw_length = 6.3;
// -------------------------------------------
box_outside = [
box_inside[0] + (wall_thickness * 2),
box_inside[1] + (wall_thickness * 2),
box_inside[2] + (wall_thickness - 0.1)
];
// -------------------------------------------
// Misc. Utility functions
// -------------------------------------------
module screw_port() {
difference() {
color("purple") cylinder(
h = screw_length + wall_thickness,
d = screw_diameter + (wall_thickness * 2),
$fn = 25
);
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// TODO: Measure screw size, as these holes might be too big. Note that they apparently end up slightly smaller anyway, due to openscad's rendering apparent - but this probably won't be enough.
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color("mediumpurple") translate([0, 0, wall_thickness + 0.1]) cylinder(
h = screw_length,
d = screw_diameter,
$fn = 25
);
};
}
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// Corner generation
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corner_piece_size = screw_diameter + (wall_thickness * 2);
module corner_piece() {
color("red") difference() {
cube([
corner_piece_size,
corner_piece_size,
box_inside[2]
]);
translate([
corner_piece_size / 2,
corner_piece_size / 2,
box_inside[2] - screw_length + 0.1
]) cylinder(h = screw_length, d = screw_diameter, $fn = 25);
}
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};
// Box
// -------------------------------------------
union() {
difference() {
cube(box_outside);
translate([wall_thickness, wall_thickness, wall_thickness]) {
cube(box_inside);
}
}
// Screw holes
// -------------------------------------------
// Arduino
translate([53.4+8, 60, wall_thickness]) rotate([0, 0, 90]) {
screw_port(); // Top left
translate([50.8, 15.2]) screw_port();
translate([50.8, 43.1]) screw_port();
translate([-1.3, 48.2]) screw_port();
% translate([-15.3, -2, screw_length + wall_thickness]) square([68.6, 53.4]);
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}
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// Corners
// -------------------------------------------
translate([
wall_thickness,
wall_thickness,
wall_thickness - 0.1
]) corner_piece();
translate([
wall_thickness + box_inside[0] - corner_piece_size,
wall_thickness,
wall_thickness - 0.1
]) corner_piece();
translate([
wall_thickness,
wall_thickness + box_inside[1] - corner_piece_size,
wall_thickness - 0.1
]) corner_piece();
translate([
wall_thickness + box_inside[0] - corner_piece_size,
wall_thickness + box_inside[1] - corner_piece_size,
wall_thickness - 0.1
]) corner_piece();
}