Even though there are lots of great gears on thingiverse, I couldn't resist the urge to model some too :)
The combinations of parameters are too many to upload an STL for each, so I just picked a few.
I also made a version for helical gears: http://www.thingiverse.com/thing:1339
gears_spur.scad | 6.6KB | |
spur_circles.stl | 233.1KB | |
spur_rome.stl | 189.7KB | |
spur_solid.stl | 164.6KB | |
spur_star.stl | 256.4KB |