print in place compressed air engine one piece 1CC working

thingiverse

I've been working on this engine for quite some time. it is a bit hard to print since the tolerances need to be quite tight. all the tolerances are 0.2 mm and should be printable if you have a well-tuned machine. you will need to print this at a 0.16mm layer hight and at about 30% to give the flywheel some mass. print with raft when printed see if you can get the engine to turn. when it can turn take at drill to turn it until it spins freely lubricate the engine with vegetable oil and the use a compressor to get it spinning i have only tried to print this on my own printer a ender 3 v2 and i got it to work let me know your experiance. for best results slice in the prusa slicer