One of the two motor blocks:
More-less a connecting rod:
Pistons, block and connecting rods:
FreeCAD has shown some capabilities that I did not expect and some lacks that made my work tedious. I am not able to create symmetries in sketches, have not found any way to copy-paste and sketch and attach it to a new face and few other things that I will comment in further posts.
¿What do you think about the engine?
I want to create something that creates interest in people and makes them give a try to FreeCAD.