include <BOSL2/std.scad>

// latarka = ["D4", 28];
// latarka = ["D1", 35];
// latarka = ["DM11", 40];
latarka = ["K1", 72.3];

od = latarka[1];
txt = latarka[0];
t = 2;
top_t = 0.75;

h = 20;
step_h = 12;
$fn=360;

difference() {
    cyl(h=step_h, d=od+2*t);
    cyl(h=step_h+0.01, d1=od+0.5, d2=od, rounding1=-1, chamfer2=1);
    xrot(90) up(50 + od/2 + t/2) text3d(txt, h=100, center=true, size=step_h-1);
}

up(step_h/2) difference() {
    sphere(d=od+2*t);
    sphere(d=od+2*t - 2*top_t);
    down(50) cuboid([100,100,100]);
}