//t3p3 horisontal spool holder for Kossel XL/Pro //tony@think3dprint3d.com reel_hole_r=51/2; inner_r=20; base_r=35; m4clearance_r=2.5; reel_hole_h=24; reel_hole_top_t=3; base_h=3; module FH_simple(){ difference(){ union(){ cylinder(h=reel_hole_h, r=reel_hole_r,center=true,$fn=300); translate([0,0,(-reel_hole_h+base_h)/2]) cylinder(h=base_h, r=base_r,center=true,$fn=300); } cylinder(h=reel_hole_h+1, r=m4clearance_r,center=true); translate([0,0,-reel_hole_top_t]) cylinder(h=reel_hole_h-reel_hole_top_t+0.001, r=inner_r,center=true,$fn=300); } } FH_simple();