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Add ender 3 secondary spool holder

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nyanotech 2020-01-06 04:15:03 -08:00
parent faa862cb26
commit 84a4acf4d4
1 changed files with 36 additions and 0 deletions
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models/spool_holder.scad Normal file
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// A second spool holder for ender 3. This replaces the back piece that tightens
// onto the original spool holder.
// TODO - On mine, it fits slightly loose when printed at 0.2 layer height.
// tab_height might need increasing to fix.
spool_width = 90;
wall_thickness = 1.5;
connector_inner = 15.5;
tab_height = 4; // TODO - test increasing tab_height by 0.2?
difference() {
union() {
cylinder(h=10, d=40);
cylinder(h=10 + spool_width, d=(2 * (connector_inner + wall_thickness)));
translate([0, 0, (10 + spool_width)]) {
cylinder(h=3, d1=(2 * (connector_inner + wall_thickness)), d2=((2 * (connector_inner + wall_thickness)) + 6));
}
for(i = [0 : 60 : 300]) {
rotate([0, 0, i]) {
translate([19, 0, 0]) {
cylinder(h=10, r=3);
}
}
}
}
translate([0, 0, -1]) {
cylinder(h=spool_width + 15, d=(2 * connector_inner));
}
}
for(i = [-1, 1]) {
translate([connector_inner * i, 0, tab_height]) {
cylinder(h=3, r=2.5);
}
}