Finger Engine Simulator Fidget

When I saw the topic of engines,I realized that there is no model anywhere, including here in MAKER WORLD, that simulates the mechanics of a real engine. What the heck am I talking about???All internal combustion engines (except rotary engines) have a mechanism that uses the force of the fuel explosion to create reciprocating motion of the piston and convert that force into rotational motion. However, all the 3D printed engine models I've seen reverse this transfer of force, using rotational motion to create piston motion, as shown in the video below (which is also possible in my model).Of course, you can still understand the motion of the engine in this way, but you can only imagine how the energy is actually transferred. My model simulates the energy transfer process of a real engine.Of course, the initial energy, the “explosion”, has to be done with the fingers.The model is a three-cylinder engine, so the direction of rotation can be changed by the order of pressing.This model “