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I don't know why but my door doesn't really fit int the slots. I printed both the bulkhead and the door in one go. using the 3dhexes.com profile for experimental. Essentially 3 walls. I was able to force it in but it's like it's maybe 1 line too thick for it to operate smoothly. So I'm not sure what profile you used but I'm going to try and reduce mine door by maybe 1% and try again. I will also probably rotate the door to print upside down so no bridging and it should print cleaner that way. Also on the bulkhead, I don't know how Prominent the "lip" should be. mine broke off on the floor edge it was just too thin. I would maybe increase just a little bit in thickness. Maybe make it a full MM. Mine is coming out at a .5 MM line. a 1 MM line I think would be clower to your picture as well.