Belt Protector for Wanhao Duplicator i3

If you are reading this, you probably have a Wanhao, and if you do, you know that the belt rubs on the bearing blocks. I am getting ready to do some very large prints and wanted to fix this before my project. This is an elegant solution for this problem. I saw another complex design using ball bearings to address this problem, but I was never able to find it again.This design was printed in abs.
I had some ball bearings from another project, 10mm outer diameter, 3mm inner diameter and some M3