Delta Printer Level Base

Created this item out of 20mm plate steel in order to be able to get the surface for my large delta printers (over 1.2 meters tall) to be level and not change over time (this will not flex of warp). In the past I have had them sitting on the concrete floor which was relatively level but a pain to work on. I have now moved the room they were in to one with carpet and wanted to put them up on a desk but this meant the desk was not level and I did not want to have to put shims in everywhere.

Th