There were already a bunch of panels but none both fit my LCD panel and worked well on a box frame Prusa i3.Also none came with source files, just STLs.  This has the SCAD so you can change anything you like.UPDATE - the pushbutton prints kind of lousy for me as it was, so I put a tiny hole down the middle of it - this causes slicers to print it with a bunch of concentric shells rather than infill so you get a much sturdier print.