About this 3D model

EngineBlock.stl 1pc CrankShaft.stl 1pc (Print the crankshaft on its end with support. Simplify3D recommended) PistonArm.stl 8pcs PistonHead.stl 8pcs Handle 1pc CrankshaftClamp 2pcs Drill 4 holes in the Engine block to secure the 'Crankshaftclamp' Connect the piston arms to the piston heads Connect the piston arms to the crankshaft (make sure the hook is secured) Tap the end of the crankshaft M4x0.7mm Use 3x M4 flat washers as spacers between the crankshaft end and the handle Secure the handle to the crankshaft with a 10mm long M4x0.7mm socket cap screw Place the assembled crankshaft into the engine block Screw on the clamps with self-tapping screws (optional) Use silicone based oil to lubricate the cylinder walls, piston wrist, and crankshaft for smoother use Use the handle manually or use a 3mm shaft motor for eaiser use.