The file 'USB To TTL (CH430) Case 3D Printer Model' is (STL) file type, size is 20.7KB.
Simple case for USB to TTL module (CH340) from our favorite supplier Aliexpress.
https://www.aliexpress.com/item/32831329095.html?spm=a2g0o.order_list.order_list_main.60.20051802o3CkKt