About this 3D model

Designed based upon a real engine at the Prague Technical Museum. Hardware:2- 8mmSkateboard bearings3- 5x10mm bearings2mm Bar3mm Bar4mm Bar5mm Bar8mm TubeAssorted M3 Bolts Holes need tapping M3. 4mm and 3mm Bar is cut with a die are needed for the slide and piston rod. Crankshaft is pinned through with a 2mm rod to prevent bucking, this uses a 3D printed drilling guide. Sand/File the Piston to fit the Cylinder. It should be a snug fit. It does work but requires a lot of filing and tuning of the wobble engine. https://youtu.be/B8E3dPDR5ls Please comment on the youtube video if you are having any issues assembling this.