This box was inspired by lovidovi's Escape Room Puzzle Box- https://www.thingiverse.com/thing:3135034 So I am listing it as a remix, although it is completely redesigned to print on smaller printers and to not give away the combination as easily :-)
Everything was printed at 0.3mm height except the hinges were 0.2mm. Finished all parts with metallic wax.
Assembly is straightforward, just make sure that you tape the locks to the underside of the lid with the flat edges in a straight line, and then gorilla glue the dials in the orientation you want them.
Here are two videos: