// SO-239 Connector Bushing // rjkorn January 2015 $fn=100; difference(){ union(){ // Flange minkowski(){ cube([25,25,2]); cylinder(h=1,d=5); } // Conduit Sleeve translate([12.5,12.5,0]) cylinder(d1=22,d2=21,h=30); } union(){ // Center Hole translate([12.5,12.5,0]) cylinder(d=15.5,h=30); // Screw Holes translate([3.25,3.25,0]) cylinder(d=3.5,h=3); translate([21.4,3.25,0]) cylinder(d=3.5,h=3); translate([3.25,21.4,0]) cylinder(d=3.5,h=3); translate([21.4,21.4,0]) cylinder(d=3.5,h=3); // Relief for Nuts translate([3.25,3.25,3]) cylinder(d=6,h=3); translate([21.4,3.25,3]) cylinder(d=6,h=3); translate([3.25,21.4,3]) cylinder(d=6,h=3); translate([21.4,21.4,3]) cylinder(d=6,h=3); // Relief for Ground Wire translate([6.6,6.6,0]) rotate([-10,10,0]) cylinder(d=2,h=8); rotate([0,90,45]) translate([0,0,6.5]) cylinder(d=2,h=8); translate([3.25,3.25,0]) cylinder(d=5.5,h=1); } }