cylinder(h = deck_flange_height * 1.1,
r = deck_flange_screw_radius);}
cylinder(h = deck_flange_height * 1.1,
r = deck_flange_screw_radius);}
cylinder(h = deck_flange_height * 1.1,
r = deck_flange_screw_radius);}}
cylinder(h = deck_flange_height * 1.1,
r = deck_flange_screw_radius);}}
difference (){
cylinder(r = holder_radius, h = holder_height);
translate([0, 0, ball_radius + holder_floor + holder_arms_length]){
difference (){
cylinder(r = holder_radius, h = holder_height);
translate([0, 0, ball_radius + holder_floor + holder_arms_length]){