Micro Cache - Keychain Cash Holder

Use this to store cash (bills) on your keychain for use in emergencies.[Warning: it should be periodically checked for tightness: I have used mine for months and (once so far) found it had loosened slightly open in my pocket. It is just a thread that holds it together against all the random forces in your pocket/purse, and just like headphone cables, crazy stuff happens!] I designed this to fit on your keychain using the Bambu Makerworld keyring. It is very strong at the keyring hole, prints fast, and uses a bit less than 10g of filament. It also is sized to fit at least all bills between: USA, Canada, EURO, Australia, and China. But you have to fold them a certain way, see below. Internal dimensions of the container (eg, what you can store) are: 43.5mm tall and 10mm in diameter for the entire two-piece cylinder. I did not test the waterproofing of this design, and it was not designed to be waterproof. If you use it for pills or anything that really shouldn't get wet, please use ca