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<mendel.inc>
<mendel.conf>
module driven_gear() {
difference () {
// Scale gear to suit 4mm chain
scale (0.8) {
translate ([-27,-25,0]) import_stl("beaded_belt_gear_95.stl", convexity = 5);
}
// Chop an M8 rod & nut cavity out of the middle
translate ([0,0,1.9]) rotate ([180,0,0]) m8_hole_vert_with_hex(20);
}
}
module drive_gear() {
difference () {
union () {
// Scale gear to suit 4mm chain
scale (0.8) {
translate ([-27,-25,0]) import_stl("beaded_belt_gear_95.stl", convexity = 5);
}
// Collar for drive shaft
translate ([0,0,7.5]) cylinder(h=15,r=7,center=true);
}
// Chop a NEMA17 shaft out of the middle
difference () {
cylinder(h=40,r=3,center=true);
translate ([7,0,0]) box(10,10,50);
}
}
}
drive_gear();
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