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Updated projector knob for printing

This commit is contained in:
sixteenmillimeter 2020-08-18 14:20:15 -04:00
parent 0ccb29dfb0
commit d501623290
1 changed files with 21 additions and 7 deletions
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28
scad/jk_projector_knob.scad
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@ -1,20 +1,34 @@
// THREAD
//
// 1/4" 20 (coarse)
module jk_projector_knob () {
module hex (diag = 10, h = 1) {
cylinder(r = diag / 2, h = h, center = true, $fn = 6);
}
module jk_projector_knob_positive () {
$fn = 120;
count = 3;
cylinder(r = 15 / 2, h = 22, center = true);
cylinder(r = 16 / 2, h = 22, center = true);
for (i = [0 : count - 1]) {
rotate([0, 0, i * (360 / count) ]) translate([0, 8, -3]) difference () {
rotate([0, 0, i * (360 / count) ]) translate([0, 8+3, -3]) difference () {
cube([9, 16, 16], center = true);
translate([0, 8, 6]) rotate([-45, 0, 0]) cube([9 + 1, 20, 16], center = true);
translate([8, 0, 0]) rotate([0, 0, 15]) cube([9, 20, 16+ 1], center = true);
translate([-8, 0, 0]) rotate([0, 0, -15]) cube([9, 20, 16+ 1], center = true);
translate([0, 8, 6]) rotate([-45, 0, 0]) cube([9 + 1, 16*2, 16], center = true);
translate([8, 0, 0]) rotate([0, 0, 10]) cube([9, 20, 16+ 1], center = true);
translate([-8, 0, 0]) rotate([0, 0, -10]) cube([9, 20, 16+ 1], center = true);
}
}
}
//20-12
module jk_projector_knob () {
difference () {
jk_projector_knob_positive();
translate([0, 0, -(22 - 12)]) rotate([0, 0, 30]) hex(13.5, 22);
cylinder(r = 6.3 / 2, h = 22 + 1, center = true, $fn = 50);
}
}
//hex(13 - .5, 11-4.5);
jk_projector_knob();