Printed Bearing For Sunhokey Opto Autoleveling Carriage

This is a remix of http://www.thingiverse.com/thing:1317577 thank you kondzio29
This will fit my carriage: http://www.thingiverse.com/thing:1155921

I used Simplify 3D. Printed with Horizontal size compensation of -0.1. Probably you need to do some test to find your exact value. Mine has 0 play and it work like a charm. I used graphite as lubricant (I sacrificed a little bit of pencil). I threaded the hole (M4)