Prusa i3 / P3Steel Improved Endstop Holders Collection

This collection of parts includes what I consider to be the latest, best designs of X, Y and Z-axis endstop holders for any Prusa i3 variant, including the P3Steel and the Prusa i3 Twelvepro.

Some of them I remixed, some are just as I found them here on Thingiverse or GitHub, and some I created in OpenSCAD.

The Y-axis endstop holder parts set is my earlier thing #536752.
The Z-axis Makerbot-style endstop holder is my earlier thing #597093. It's a good match for the integrated fine-adjus