Voron2 XY joints for 1515 extrusion and 2020 extrusion

This is a remix of Voron2 XY joints. The original mounts are applied for 2020 extrusion. This remix was applied for 1515 extrusion with an addition of the M3 screw and the heatset holes to fasten tightly the upper and the lower mounts.

The step file for the 2020 extrusion : CNC gantry support mount for Voron2 by yiutoto | Download free STL model | Printables.com

M3 screw and the heatset were added to fasten tightly the upper and lower mounts.  This model was also applied for 1515 extrusion.