$fn = 128; include // Reduc 20x16 difference() { rotate_extrude(angle=360, convexity=10) import("../svg/reduc_20x16.svg"); // Hexagonal screw hole color("green") { rotate([0,0,150]) { translate ([0,-12,30]) { union() { rotate([90,90,0]) { DIN931("M5"); } translate ([0,3,0]) { rotate([90,90,0]) { DIN931("M5"); } } } } } } }