Dial indicator mount

I made this mount for the dial indicator to level the bed of my Prusa Mk2.5. It is designed to work with this indicator:
https://www.amazon.com/gp/product/B07888LX1R/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1
The indicator mounts onto the extruder, takes the place of the part cooler fan and the shroud (it uses the top mount hole of the fan). I added standoffs for the screws so you can use the screws you just removed (the fan screw is longer, so is the standoff). There are two STL files, a single piece, and a three-piece version, The holes in the back are countersunk for the tiny screws that attach the back to the indicator. For that reason, it's much easier to print the back with the wider holes facing up, but then you have to print standoffs separately. If you can manage the overhangs, you can try to print it as one piece.

After the printing, clean the small holes with a thin drill bit (the tiny screws that hold the back are quite delicate, easy to strip the heads, don't use th