Mendel style upper joint

This is an upgraded version of my existent joint for a more compact printer.
It moves the smooth rod towards the interior of the printer for grater stability and smaller overall printer size without sacrificing the print volume.
Works best in PLA.
Can use both slots for setting screws (M3) or just one. It's rigid enough. I put it there for easy access and symmetry as the part is mirrored.
Hope it helps some of you with your printers.
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