3d Printable Radial Pneumatic Engine

Description

You can see it in action [here on Youtube](https://youtu.be/_FDZzKAFSz4), and all the .stl files can be downloaded [here on Thingiverse](https://www.thingiverse.com/thing:3737144). Can be powered by a balloon, or just by blowing air into it. Used in this [little toy car](https://skfb.ly/6LV6D).   Just a few of extra parts needed for the assembly: * 3x nitrile glove fingers (blue part) * 15x M3x8 bolts * 2x M3x12 (or longer) bolts * 17x M3 nuts