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Twist prototype v1

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This commit is contained in:
Ian Gulliver
2024-07-07 16:15:35 -07:00
parent 260b253547
commit e6bae61973
2 changed files with 107 additions and 39 deletions
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31
lib/spoolmount.scad
View File

@@ -3,15 +3,42 @@ use <torus.scad>
module spoolmount() {
// Ring
difference() {
// Cylinder body
cylinder(h=5, r=42, $fn=200);
// Central through hole
translate([0, 0, -1])
cylinder(h=7, r=25, $fn=200);
}
for (a = [45 : 90 : 335]) {
// Locking bumps
rotate([0, 0, a - 10])
rotate_extrude(angle=20, $fn=200)
translate([22.5, 0, 0])
polygon(points=[
[2.5, 0],
[0, 2.5],
[2.5, 5],
]);
// Rounded bump ends
for (o = [-10, 10]) {
rotate([0, 0, a + o])
translate([0, 30, 0])
scale([0.2, 1.0, 1.0])
rotate_extrude($fn=200)
translate([5, 0, 0])
polygon(points=[
[0, 0],
[2.5, 2.5],
[0, 5],
]);
}
}
// Rounded edges
// Rounded outer edge
translate([0, 0, 2.5]) {
torus(r_major=25, r_minor=2.5, xs=0.7, $fn=200);
torus(r_major=42, r_minor=2.5, xs=0.7, $fn=200);
}
}

115
lib/spoolmount_twist.scad
View File

@@ -1,44 +1,85 @@
module spoolmount_twist() {
cylinder(h=5, r=23, $fn=200);
for (a = [45 : 90 : 135]) {
for (o = [-10, 10]) {
rotate([0, 0, a + o])
scale([0.2, 1.0, 1.0])
rotate_extrude($fn=200)
translate([23, 0, 0])
_spoolmount_twist_profile();
difference() {
// Cylinder body
cylinder(h=5, r=25, $fn=200);
for (a = [45 : 90 : 335]) {
// Locking bump entrance cutout
rotate([0, 0, a - 13])
rotate_extrude(angle=26, $fn=200)
translate([22.5, 0, 0])
polygon(points=[
[0, -1],
[3, -1],
[3, 2.5],
[0, 2.5],
]);
// Slide cutout
rotate([0, 0, a - 41.5])
rotate_extrude(angle=83, $fn=200)
translate([22.5, 0, 0])
polygon(points=[
[3, 0],
[2.5, 0],
[0, 2.5],
[2.5, 5],
[3, 5],
]);
// Rounded end cutouts
for (o = [-41.5, 41.5]) {
rotate([0, 0, a + o])
translate([0, 30, 0])
scale([0.2, 1.0, 1.0])
rotate_extrude($fn=200)
translate([5, 0, 0])
polygon(points=[
[0, 0],
[2.5, 2.5],
[0, 5],
]);
}
}
}
for (a = [45 : 90 : 335]) {
rotate([0, 0, a - 10])
rotate_extrude(angle=20, $fn=200)
translate([23, 0, 0])
_spoolmount_twist_profile();
difference() {
intersection() {
cylinder(h=5, r=25, $fn=200);
for (a = [45 : 90 : 335]) {
for (o = [-20.65, 20.65]) {
rotate([0, 0, a + o])
translate([0, 23.5, 1])
rotate([45, 0, 0])
scale([1.0, 1.0, 1.0])
cylinder(h=3.5, d=1, center=true, $fn=50);
rotate([0, 0, a + o])
translate([0, 23.5, 4])
rotate([-45, 0, 0])
scale([1.0, 1.0, 1.0])
cylinder(h=3.5, d=1, center=true, $fn=50);
}
}
}
for (a = [45 : 90 : 335]) {
// Rounded end cutouts
for (o = [-21.5, 21.5]) {
rotate([0, 0, a + o])
translate([0, 30, 0])
scale([0.2, 1.0, 1.0])
rotate_extrude($fn=200)
translate([5, 0, 0])
polygon(points=[
[0, 0],
[2.5, 2.5],
[0, 5],
]);
}
}
}
rotate_extrude($fn=200)
translate([23, 0, 0])
polygon(points=[
[0, 3.75],
[1.25, 5],
[0, 5],
]);
}
module _spoolmount_twist_profile() {
polygon(points=[
[0, 1.25],
[1.25, 2.5],
[0, 3.75],
]);
polygon(points=[
[0, 0],
[1.25, 0],
[0, 1.25],
]);
}
spoolmount_twist();