This is the original Makibox extruder wheel. There are two models, one with 1.0mm thickness and one with 1.2mm thickness because off the 0.4 nozzle size.For printing you have to use a raft and supports. The 1.2mm model can be printed with 2 shells ande solid fill or 1 shell with 60% fill. The wheels are not yet printed as an accurate circle but maybe you might have better results.