3d Printable Air Balloon Engine for LEGO

Description

A rework of [this little motor](https://skfb.ly/6LQBR). No more bolts, now need only a nitrile glove and two balloons to assemble it. You can see what it's capable of [here on Youtube](https://youtu.be/5G4Wwa94_aM), and all the .stl files can be downloaded [here on Thingiverse](https://www.thingiverse.com/thing:4197583).