OpenFlexure Microscope OpenSCAD docs

module selftap_test_object(){
    sizes = [2.4, 2.6, 2.8, 2.9, 3.0, 3.1, 3.2, 3.4, 3.6, 3.8, 4.0, 4.2, 4.4];
    N = len(sizes);
    r = 5;

    difference(){
        hull(){
            cylinder(d=2*r, h=6);
            translate_x(2*r*(N-1)){
                cylinder(d=2*r, h=6);
            }
        }

        for(i=[0:N-1]){
            translate_x(2*r*i){
                trylinder_selftap(sizes[i], h=999, center=true);
                translate([0, -r+0.5, 0.5]){
                    rotate_x(90){
                        linear_extrude(1){
                            text(str(sizes[i]), size=4, halign="center");
                        }
                    }
                }
            }
        }
    }
}