// Make the green tip hollow so I can run a small LED up through it. rad = 1.8; toth = 90.11-2; difference() { translate([-(12.7+25.4/2), -(12.7+25.4/2), 0]) import("11th_Doctor_Sonic_Screwdriver_Redrawn/green_tip_support.stl"); union() { translate([0,0,toth-rad]) sphere(r=rad, $fn=64); cylinder(h=0.01+toth-rad,r=rad,$fn=64); } }