Bred
Yep, pretty much 2" X 3". Hard to get it exact, as there aren't two opposing sides to any of the cradles, but measuring at the corners gets pretty much that. The bottom of the routered out part is 32mm X 51mm.
As I mentioned before, the routering goes through the 4th layer, but just barely touches the 5th. So i guess that means the holes are about 9/16" deep.
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