I am close but no cigar; with nothing tight, the doors fit nicely in place but as I tighten, everything seems to want to "walk" a bit. I am using a length of ¼ all-thread as a single hinge pin, to keep the hinges parallel but by the time I get everything snugged-up, one or more of the corners is out of position. Seems like things need do be done in a particular order to avoid conflicts - and I have yet to figure out the sequence