Tri-blade prop

Last year I had a local prototype shop produce 8 of these props using the SLA process. Needing a propeller solution for one of our micro FPV machines, this is what I ended up with.

The SLA prints were nice quality (at about $8.50 each) but very fragile and not functional. Also they are too fine to be molded. Injection molding is probably the way but these are fun to play with. The center hole fits a 1mm shaft such as the common brushed motors.

I say experiment with your particular prin