Bearing Retainer PLUS Plunger Screw Adapter

This is a modification and upgrade on the few derivatives of emmett's bearing retainer, such as johnboiles'. Like some others, I too wanted to have as much visibility to the plunger/bearing/filament feed area. This is for the MK5/MK6/MK6+ stepper acrylic face.

So I trimmed as much material I could off the original design while keeping it rigid. Included the standoffs from johnboiles' design.

BUT WAIT THERE'S MORE!

Like some others I had the problem where the plunger screw keeps looseni