2d3d/3D/Kabeltrommelbremse.scad

$fn=60;

DD=25;
Dd=18;

render()
difference() {
  union() {
    cylinder(d=DD, h=20);
    linear_extrude(height = 14) polygon([[10,0],[-10,0],[-30,45],[30,45]]);
  }
  linear_extrude(height = 25) polygon([[0,0],[-20,-20],[20,-20]]);
  translate([0,-1.5,0]) cylinder(d=Dd, h=20);
  translate([0,61,0]) cylinder(d=50, h=20);
}