Parameterize height

This commit is contained in:
Ian Gulliver
2024-07-20 14:53:50 -07:00
parent 95b70d3fa9
commit a986a9ea8f

View File

@@ -1,35 +1,77 @@
use <../util/torus.scad>
module spoolmount() {
module spoolmount(h=5) {
assert(h >= 5, "minimum spoolmount height is 5");
difference() {
// Cylinder body
cylinder(h=5, r=44, $fn=200);
union() {
// 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
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
for (z = [-1, 4.5]) {
for (z = [-0.01, h - 0.5]) {
translate([0, 0, z])
cylinder(h=1.5, r=25.45, $fn=200);
cylinder(h=0.51, r=25.45, $fn=200);
}
// Holes
for (a = [0 : 30 : 330]) {
rotate([0, 0, a])
translate([34.75, 0, 0])
rotate([90, 0, 90])
linear_extrude(9.25, center=true)
polygon(points=[
[4, -1],
[4, 2],
[6, 4],
[6, 6],
[-6, 6],
[-6, 4],
[-4, 2],
[-4, -1],
]);
translate([34.75, 0, 0]) {
// Attachment cutout
rotate([90, 0, 90])
linear_extrude(9.25, center=true)
polygon(points=[
[4, -1],
[4, 2],
[6, 4],
[6, 5.01],
[-6, 5.01],
[-6, 4],
[-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
translate([0, 0, 2.5])
torus(r_major=44, r_minor=2.5, xs=0.7, $fn=200);
for (z = [2.5, h - 2.5]) {
translate([0, 0, z])
torus(r_major=44, r_minor=2.5, xs=0.7, $fn=200);
}
// Rounded inner edges
for (z = [0.5, 4.5]) {
for (z = [0.5, h - 0.5]) {
translate([0, 0, z])
torus(r_major=25.45, r_minor=0.5, xs=0.7, $fn=200);
}