This is a dust collector for stpcraft cnc. Iìve tested it on a STEPCRAFT 2/D 420 with MM1000 Stepcraft. As bush i've added a draft exclude you usually use on doo. To lock it a M4 bolt and nut. After purchasing you'll receive on your mail, within 24h, 3d cad editable files in .stl, .step, .f3d format. The cad file is available ad single drawing and 2 saparated parts drawings. Purchase here: