Cash Puzzle Gift

To test the waters, the original was deliberately simplified. For all those who said my previous puzzles were just too easy (literally nobody) I give you this, ever so slightly more difficult version. Knowing the design inside and out, I found the previous challenge lacking. Let's step it up a notch (there's still more to go).

I don't know if this has got anything on a Revomaze in terms of difficulty, but I feel we're probably beyond fair for a blind maze at this point. Need some peepholes and maybe some cryptic runes on the internal slider...

Navigate the hidden maze by turning the two dials. This one is sized for a bank note and prints in separate pieces.

All models are all in assembled positions. Flip the "upper" section over for printing.

Your first puzzle is how to assemble and lock it! Refer to the print-in-place "PiP" model which shows everything assembled (except the "upper") or load up all the files in Meshlab or something as a guide. X-Ray view might help shine a