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Any chance you can provide a part number of the "power entry" female plug you used? The part from the previous design (Core XY Cube) bill of material does not fit the laser cut mounting plate and I see from the pictures that you have used a different power entry part.
EDIT: To be more clear, I only had the P2 and P3 pieces cut by Ponoko. I didn't catch the fact that there was another file (dxf) that likely is the right piece.... Regardless, if you do have that part number handy, I wouldn't have to cut new pieces.
EDIT: Ok, I went back and looked at the instructions and sure enough, you mention Mouser 16PJ522. Sorry about that! So, the BOM references a different part. I'll have to figure out which way to go....