Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:5797510.

Assemble the pieces under pressure (check that the mechanism works before closing the wallet)

It depends on the precision of the printer, you may have to sand some part of the mechanism (I have not done it)

Slim wallet (no glue / no screws) by DiegoPastrana is licensed under the Creative Commons - Attribution - Non-Commercial - No Derivatives license.