A somewhat generic boat screw (propeller). Untested, so not sure about various qualities or actual usefulness. Designed by eye and using "looks close enough" rule of thumb.
Disclaimer: as with anything made via 3D printing, no guarantees for objects used as a structural or mechanical component under various loads. Particularly where rotational mechanical energy is involved. Any use other than display purposes is at your own risk.
13.364 w x
2.6 d x
5.261 w x
1.024 d x