Door latch
thingiverse
A simple door latch that I use on my home-made cold smoker. It's pretty easy to assemble so no diagram provided other than the one from OpenSCAD. You need a 16mm hole in the door and then secure the trim with the trim nut. The bolt is best held in place with a washer and two small nuts locked against each other, but see what you have room for and glue one nut if required (one nut held fine for me.) Fasten the latch on with a small nut either side.
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