More Rigid Enderwire Gantry Printed Bearing Blocks (V-slot & Misumi HFSB5 2020)

I found that the gantry would always tilt in one direction or another if there was a minor crash or if I moved the gantry by hand with a tad bit too much force on one side.  I found that the main cause was because of the flat faced bearing blocks and loosely fitting roll-in T-nuts.  This remix attempts to resolve some of this by adding protrusions that match the profile of the extrusions to keep the gantry more rigid.  Has been designed so that it will protrude only enough to touch the face of the roll-in T-nut.

There is also another variation for those of you that changed the gantry extrusion to the commonly used Voron extrusion like I did (Misumi HFSB5-2020), which has much better tolerances for the roll-in nuts.  With the swap to the Misumi and the modified printed parts, the touch threshold on my Cartographer probe has improved a lot and I haven't had a need to readjust the gantry again.

Here is the issue illustrated below for the Ender 3 V-slot and Misumi extrusions.
 

Ender 3 V-slot Extrusion

Original (left) - Modified (right)

Misumi HFSB5-2020 Extrusion

Original (left) - Modified (right)