The original model is very good, but when you put a full or three quarter full spool, the support lowers a few millimeters, so I made a thicker version on the height so that it is more rigid .

After a test, it's really stiffer, 1mm of flex with a full spool, that's not bad!

PS: I did it quickly, I didn't go into too much detail.

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Add: 2023/05/08

I added a model that takes into account the rear plexiglass of the ARC
→ Support Bambulab for ARC with plexiglass.stl