Prusa Mendel Patch-in-Place Bearing Guide

Just as I had my Prusa nicely dialed in, the Y-axis bearing guide disintegrated on me. I printed out stock replacements, but really didn't want to disassemble the whole frame to install them. This is based on the original SCAD files but allows installation in place with nothing more than removing the cog on the stepper to untension the belt. I can't see any Y-axis skips in the output, so I'm calling it good enough!

I printed it in HIPS, so I was able to glue it together with toluene-based