jd94
awesome work!
This is backward centrifugal curved fan which used for moving air. This equipment increases the velocity of air when it is passed through equipped impellers, and they are mainly used for flow of air required for exhausting, aspirating, cooling, ventilating, conveying etc. The published parts could be 3d printed, however you should be aware about the impeller wall thickness of the baldes, in this design is around 0.6mm.