Ekobots - Helix generator.

__All parametric Helix, Propeller, Blade Generator.__
Propeller for planes, helicopters, boats and others.
Any size, any number of blades.

New version, now with optional tip on the blade.
The tip avoid loss of low pressure and turbulence in the edge of the blade.

__You can help me to do more things like this.__
Buy my designs at pinshape:http://pinshape.com/users/27920-jsirgado
The OpenSCAD file is there, you can change all.