Made some shamrock plugs for St. Patrick's Day using amyhurst's "Sham... Rock!" OpenSCAD script. I resized the output a bit to make it a bit larger than my Space Invaders and Pac-Man plugs.Download and print two shamrock_plug_scaled.stl pieces Generate and print two plug pieces using my Parametric Plugs script from here: http://www.thingiverse.com/thing:16134 Use a solvent like Plastruct Bondene to weld the shamrock pieces to your plug pieces