The file 'USB Extension Mount For 2020 Extrusion 3D Printer Model' is (stl) file type, size is 1.8MB.
This is a simple mount for a USB extension cable. It's meant to mount to 2020 (or other sizes with the same profile) extrusion and was designed to work with the USB extension linked below.
https://www.amazon.com/gp/product/B09SQ7NRQ8/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1
USB_Extension_Mount.stl | 5.3MB |