54 lines
1001 B
OpenSCAD
54 lines
1001 B
OpenSCAD
stock_color = "#aaa4";
|
|
|
|
bushing_od = 12;
|
|
bushing_id = 8;
|
|
bushing_len = 8;
|
|
|
|
nema17_face = 42.3;
|
|
|
|
module colorize(colorname) {
|
|
if (use_colors) {
|
|
color(colorname) union() { children(); }
|
|
} else {
|
|
children();
|
|
}
|
|
}
|
|
|
|
module bushing() {
|
|
colorize(stock_color) render() {
|
|
difference() {
|
|
cylinder(d = bushing_od, h = bushing_len);
|
|
translate([0,0,-1])
|
|
cylinder(d = bushing_id, h = bushing_len + 2);
|
|
}
|
|
}
|
|
}
|
|
|
|
// located with the shaft in +z, face on the XY plane
|
|
module nema17(depth = 23.5) {
|
|
face = 42.3;
|
|
screw_pitch = 31 / 2;
|
|
color(stock_color)
|
|
render()
|
|
difference() {
|
|
union() {
|
|
translate([-face/2, -face/2, -depth])
|
|
cube([face, face, depth]);
|
|
translate([0,0,-1]) {
|
|
cylinder(d=22, h=2+1);
|
|
cylinder(d=5, h=22+1);
|
|
}
|
|
}
|
|
translate([1.25, -5, 4])
|
|
cube([10, 10, 20]);
|
|
|
|
// screw holes
|
|
for (x = [-screw_pitch, screw_pitch],
|
|
y = [-screw_pitch, screw_pitch]) {
|
|
translate([x,y,-10])
|
|
cylinder(d=5,h=20);
|
|
}
|
|
}
|
|
|
|
}
|