A realistic 4-cylinder engine model perfect for engineering enthusiasts, apprentices, and makers! This detailed print shows piston and crankshaft motion beautifully — ideal for demonstrations or desktop displays. Designed with precision and easy to print in multiple colors for a striking mechanical finish. 🧰

 (Scaled Down 40%)

-Crankshaft

-Bearing Sleeve 

-Piston

-Piston Pin 

-Piston Rod

-Connecting Rod

-M10 Nut M8 Screw