14ZTop with bearing holder

I wanted to add a bearing at the top so I can eventually link the 2 z axis via 1 belt and use 1 motor. Once the belt arrives i will design a motor mount at the top to suite.

I remixed the original and found the 10mm bar support wasn't in the center which caused a slight misalignment of the shaft and threaded rod. This is now fixed.

I had to shorten the top openbeam bar by 70mm as the bearing support is now in there.

This part is now symmetrical so you can print 2 the same or use the s