Functional bevel gears with axle attachments

This is a modification I made to allow me to attach the bevel gears designed by dreyfusduke to axle shafts to make the transmission for a rotational casting machine. My 3D design skills are getting better so I was able to redesign these so they don't require drilling out centers with forstner bits. Bevel 1 and Bevel 2alt require support to print,. Plain bevel 2 does not, I recommend printing in a nylon as these are probably the best filaments for gearing due to flexibility, toughness, and sel