PENNY TRAP

thingiverse

$fn=24; d=19.05;//diameter of penny r=d/2; //radius of penny s=0.2*r; //radius of small corner points c=.8*r + 1;//distance between corners /////render difference(){ cube_hull(); cylinder_holes(); sphere_holes(); } //////module for sphere module sphere_holes(){ sphere(r+1); } ////module for cylinder module cylinder_holes(){ h=.7*r;//cylinder radius translate([0,0,-r-5])cylinder(d+10, h, h); rotate([90,0,0])translate([0,0,-r-5])cylinder(d+10, h, h); rotate([0,90,0])translate([0,0,-r-5])cylinder(d+10, h, h); } /////////////module for rounded cube shape module cube_hull(){ hull(){ translate([c,c,c]) sphere(s); translate([-c,c,c]) sphere(s); translate([c,-c,c]) sphere(s); translate([c,c,-c]) sphere(s); translate([-c,-c,c]) sphere(s); translate([-c,c,-c]) sphere(s); translate([c,-c,-c]) sphere(s); translate([-c,-c,-c]) sphere(s); } }