This is a 3D camshaft and pistons made from card stock and scotch tape. A camshaft is an object that converts rotational motion to reciprocal motion. Here is the final assembled product:
![](https://sites.tufts.edu/paperbots/files/2022/06/3D-camshaft.jpg)
This is a 3D camshaft and pistons made from card stock and scotch tape. A camshaft is an object that converts rotational motion to reciprocal motion. Here is the final assembled product: