A modular piston engine with stackable inline and V modules. You create any combination making Frankenstein or regular engines! #Sharing Makes #Newmodel(Edited)

Stackable Engine Module using technic-axle A simple modular inline engine system designed to stack in various combinations to experiment with. You can add more modules to extend the drivetrain, I'm working on a V-module that is going to be compatible with the current inline module letting you create weird combos of engines.

True Gridfinity - just a 1cm x 1cm x 1cm that also weights 1g