This is a X belt holder for the new mdels of Anet A8. It´s for belts of 1.5mm-1.6 mm, but is bigger than others than you can find in this thingiverse. For me, use the others was imposible.
I have done another bigger. I check it with a white belt GT2 but of 1.8 mm.
https://www.thingiverse.com/thing:2949973
X_Belt_Holder.STL | 111.3KB |