Motorized Desktop Machine With Roller Chain

Electronic circuit consists of a switch, the Usb-C female port, motor and a 1N4007 diode for protection.  I used this motor i had lying around: https://www.aliexpress.com/item/33006683152.html?spm=a2g0o.productlist.0.0.43252264Pzfx6Q&algo_pvid=a4c55098-a0ef-449c-bea3-2b6cae1bc197&algo_exp_id=a4c55098-a0ef-449c-bea3-2b6cae1bc197-22&pdp_ext_f=%7B%22sku_id%22%3A%2267099044954%22%7D&pdp_npi=2%40dis%21SGD%211.98%211.5%21%21%21%21%21%40210318c216720508485987922e8453%2167099044954%21sea&curPageLogUid=oqIwKDlOIOog Assembly is pretty self explanatory