impeller
grabcad
Attached is a CREO 3.0 file for your reference, feel free to download and circulate it. I'll be bringing forth numerous innovative ideas in this context.
Download Model from grabcad
With this file you will be able to print impeller with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on impeller.