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Parameterize height

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This commit is contained in:
Ian Gulliver
2024-07-20 14:53:50 -07:00
parent 95b70d3fa9
commit a986a9ea8f
1 changed files with 66 additions and 22 deletions
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88
v1/scad/lib/generic/spoolmount.scad
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@@ -1,35 +1,77 @@
use <../util/torus.scad> use <../util/torus.scad>
module spoolmount() { module spoolmount(h=5) {
assert(h >= 5, "minimum spoolmount height is 5");
difference() { difference() {
// Cylinder body union() {
cylinder(h=5, r=44, $fn=200); // Center cylinder body
cylinder(h=h, r=44, $fn=200);
if (h > 5) {
// Outer cylinder body
translate([0, 0, 2.5])
cylinder(h=h - 5, r=45.75, $fn=200);
}
}
// Central through hole // Central through hole
cylinder(h=5, r=25.1, $fn=200); translate([0, 0, -0.01])
cylinder(h=h + 0.02, r=25.1, $fn=200);
// Cutouts for rounded edges // Cutouts for rounded edges
for (z = [-1, 4.5]) { for (z = [-0.01, h - 0.5]) {
translate([0, 0, z]) translate([0, 0, z])
cylinder(h=1.5, r=25.45, $fn=200); cylinder(h=0.51, r=25.45, $fn=200);
} }
// Holes // Holes
for (a = [0 : 30 : 330]) { for (a = [0 : 30 : 330]) {
rotate([0, 0, a]) rotate([0, 0, a])
translate([34.75, 0, 0]) translate([34.75, 0, 0]) {
rotate([90, 0, 90]) // Attachment cutout
linear_extrude(9.25, center=true) rotate([90, 0, 90])
polygon(points=[ linear_extrude(9.25, center=true)
[4, -1], polygon(points=[
[4, 2], [4, -1],
[6, 4], [4, 2],
[6, 6], [6, 4],
[-6, 6], [6, 5.01],
[-6, 4], [-6, 5.01],
[-4, 2], [-6, 4],
[-4, -1], [-4, 2],
]); [-4, -1],
]);
// Access cutout
if (h > 5) {
difference() {
// Main cutout
rotate([90, 0, 0])
linear_extrude(14, center=true)
polygon(points=[
[-4.625, 5],
[-5.625, 6],
[-5.625, max(6, h) + 0.01],
[5.625, max(6, h) + 0.01],
[5.625, 6],
[4.625, 5],
]);
// Edge triangles
// Cutout from cutout
for (xs = [-1, 1]) {
rotate([90, 0, 90])
linear_extrude(11.25, center=true)
polygon(points=[
[xs * 6, 5],
[xs * 7, 6],
[xs * 7, 5],
]);
}
}
}
}
} }
} }
@@ -66,11 +108,13 @@ module spoolmount() {
} }
// Rounded outer edge // Rounded outer edge
translate([0, 0, 2.5]) for (z = [2.5, h - 2.5]) {
torus(r_major=44, r_minor=2.5, xs=0.7, $fn=200); translate([0, 0, z])
torus(r_major=44, r_minor=2.5, xs=0.7, $fn=200);
}
// Rounded inner edges // Rounded inner edges
for (z = [0.5, 4.5]) { for (z = [0.5, h - 0.5]) {
translate([0, 0, z]) translate([0, 0, z])
torus(r_major=25.45, r_minor=0.5, xs=0.7, $fn=200); torus(r_major=25.45, r_minor=0.5, xs=0.7, $fn=200);
} }