HyperCube re-inforced XY joiner

This is nearly identical to Tech2C's XY Joiner for HyperCube but I added extra X rod support and enlarged idler areas so a geared idler can be used. With belts tightened up the X rods may become a little less than perpendicular to Y axis so extra support helps.

I am using the following gears:

https://www.amazon.com/gp/product/B071ZJ4LXG/ref=oh_aui_detailpage_o05_s00?ie=UTF8&psc=1