hello this is a model of a engine piston and this is my first try so its not so good loking but it works fine and takes just under 20 minutes on my printer

i will most likely add some more files with better designs and maybe with more pistons

please tell me if something is wrong and i will fix it as soon as possible

SETTINGS: do what you want its a small model so it doesnt matter and you dont need support

ASSEMBLY: 

1. glue the handle to the crankshaft on the flat sides

2. push the pin on the conecting rod through the hole in the piston head

3. push the handle through the hole on the base

4. get the piston annd place it on the crankshaft

5. DONE

i was tired so i didnt add more photos if you want more tell me and i will add some

if you like the model i would be happy if you put some photos of your print in the comment section

happy printing and i wish you merry christmas