My Problem: I'm under the assumption most of these lid risers for the AMS only work with P series printers using the official enclosure (P1S) that creates a sort of lip at the top of the panels that “wedges” these risers in place. However, when using the ARC Enclosure, it will only sit flush on top and not in any recess which would allow it to be bumped and slide around.

The Solution: I redesigned the original Arc Enclosure tab to press against the side of this riser keeping it from being able to slide around. Just print 6 and replace the original Arc ones with these and you're set. You'll also need something in that open hole in the front right to keep it from sliding forward. I added a little plug but you can skip it though if you already have something there.

ALSO the plexiglass top piece for the ARC Enclosure screws mounting points are a little wider than the factory so the handle need a wider cut out and the front corners are more 90 degree pointed. The original design with the lip (Ken Mills Remix) I used had a curved edge (for the Bambu Lab glass which are slightly rounded corners) which wouldn't allow it to fit, so I'd uploaded those as well.