So I wanted to attach a couple bins to the wall, inside my printer's enclosure. 

I had previously printed ZackFreedman's 3D Printer mounted baseplate, and tough I could reuse it like this. came out perfect. 

allows to wall mount the Prusa baseplates from https://thangs.com/designer/ZackFreedman/3d-model/Gridfinity%20Printer-Mounted%20Baseplates-60929