Great design. I was about to create my own adapter then I found this one. I use it as is on my A10. Printed with ASA.
I used a 6 mm eccentric nut instead of the stock one on the A10: I save a bit of space on the Y axis. The only mob I might do is to raise the support for the belts by few mm so they are closer to the extruder. The original grantry has the same issue.














