Tried to keep the shape about right, but I had to enlarge Err a bit to make the magnet fit. They should puzzle-piece together to form the quad-laser (sans quad-laser).1/8" x 1/4" inch disc magnets magnets The two color, non-dual extruder or pause way using cura: Also, I set my fill to 100% for the top layer because my filament is translucent.