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Much work on the lower knuckle, and I've learned a lot. However, because

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I forgot to allow for all the weird skews, this is wrong. It's remediable,
but not now!
This commit is contained in:
Simon Brooke 2025-09-22 13:49:57 +01:00
parent 775167b4e9
commit 72797decb0
2 changed files with 78 additions and 51 deletions
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71
model/wheel.scad
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@ -20,42 +20,43 @@
module wheel (iso=451) {
radius=(iso/2)+7;
// rim
color("grey")
difference() {
cylinder(h=22, r=radius, center=true);
translate([0,0, -11])
cylinder(h=26, r=(radius-10));
rotate([270, 0, 0]) {
// rim
color("grey")
difference() {
cylinder(h=22, r=radius, center=true);
translate([0,0, -11])
cylinder(h=26, r=(radius-10));
}
// carbon cones covering the spokes
color("black")
translate([0,0, 4])
cylinder(h=26.6, r1=radius, r2=22.5);
color("black")
mirror([0, 0, -1])
translate([0,0, 4])
cylinder(h=14.4, r1=radius, r2=29);
// tyre
color("black")
rotate_extrude(convexity = 10)
translate([radius +10, 0, 0])
circle(r = 12, $fn = 100);
// hub
color("grey")
translate([0, 0, -40])
cylinder(h=65, r=22.5);
// axle
color("silver") {
translate([0, 0, -45])
cylinder(h=70, r1=12.5, r2=7.5);
translate([0, 0, -60])
cylinder(h=25, r=12.5);
}
}
// carbon cones covering the spokes
color("black")
translate([0,0, 4])
cylinder(h=26.6, r1=radius, r2=22.5);
color("black")
mirror([0, 0, -1])
translate([0,0, 4])
cylinder(h=14.4, r1=radius, r2=29);
// tyre
color("black")
rotate_extrude(convexity = 10)
translate([radius +10, 0, 0])
circle(r = 12, $fn = 100);
// hub
color("grey")
translate([0, 0, -40])
cylinder(h=65, r=22.5);
// axle
color("silver") {
translate([0, 0, -45])
cylinder(h=70, r1=12.5, r2=7.5);
translate([0, 0, -85])
cylinder(h=40, r=12.5);
}
}
// wheel();