This is an experimental ducted fan blade (no duct yet). This is printed in 100% infill using ABS. The key is for a 3/8" bolt, you can message me if you want another size for shaft. Testing looks good so far.
https://www.youtube.com/watch?v=0q-ot-TyQ3U&feature=youtu.be
190mm_DF.stl | 1.4MB | |
190mm_DF_Key.stl | 48.9KB |