OpenSCAD | dimensionalmetrology

OpenSCAD Commands

Twists

linear_extrude(height = 210, twist = 90, slices = 660) {
difference() {
offset(r = 10) {
square(20, center = true);
}
offset(r = 8) {
square(20, center = true);
}
}
}
rotate([25,0,0])linear_extrude(height = 210, twist = 90, slices = 660) {
difference() {
offset(r = 10) {
square(20, center = true);
}
offset(r = 8) {
square(20, center = true);
}
}
}
rotate([-25,0,0])linear_extrude(height = 210, twist = 90, slices = 660) {
difference() {
offset(r = 10) {
square(20, center = true);
}
offset(r = 8) {
square(20, center = true);
}
}
}

Tab

union() {
cylinder (h = 4, r=1, center = true, $fn=100);
translate([4,0,0])cylinder (h = 4, r=1, center = true
, $fn=100);
translate([0,-1,-2])cube([4,2,4],$fn=100);
}