Zaribo Z top bracers

This is my version of the Z top brackets for Zaribo.

Solved a few things for me.
Installation is easier. You still need to slide in the nuts before hand, if you use the pre-assemble-nuts. But once that is done, you have remove these bracers easily and get the smooth rods out. On the original Zaribo version, you can't reach the screw to remove the bracers once you have assembled the printer. So maintanance is also easier on this version.

More room for X-idler for improvements (the screw o