50mm Fan for Venom T45 EDF

Update - Please use 7Blade.stl - It's a greatly improved design, which provides greater thrust and efficiency. In fact, it provides greater thrust than the original fan that came with this jet.

Designed as a replacement fan for my Venom T45 50mm EDF Jet. I broke the stock one, and couldn't find a direct replacement, so decided to make my own. Should fit any 3mm threaded shaft with nut.

Static thrust is almost as much as the stock fan (maybe 85%) and is tested up to around 50k rpm without