$fn=120;
use <./ht-rohr.scad>;

difference() {
  union() {
    cylinder(d=100, h=4);
  }
  cylinder(d=50, h=20, center=true);
  for(r=[0:360/6:359]) rotate([0,0,r]) translate([40,0,0]) cylinder(d=6.5, h=20, center=true);
}
HT_Pipe(DN=50, length=75);