Stackable Engine Module (Technic-Axle compatible)

A modular, stackable engine system compatible with technic-axle Each module is designed to stack, letting you create any piston combination you want!, You can use this for whatever!Mechanical demonstrationsRobotics projectsEducational projectsBoost MeBoth the V-Shaped Module and inline system took me a really long time to design and test. A boost would be great support!The Moving parts(CrankShaft+Arm+Head) theoretically should be printed with stronger material(i can't test it cuz I dont have any) but I recommend PLA for the outside