Simple one-piece: https://www.printables.com/model/33600-credit-card-wallet
Storage for SIM/MicroSD cards: https://www.printables.com/model/246538-minimalistic-card-wallet
Enclosed two-piece: https://www.printables.com/model/244836-parametric-snap-together-credit-card-wallet-v3
Key hub: https://www.printables.com/model/1486968-card-wallet-with-money-clip-and-key-hub
Concealed keys: https://www.thingiverse.com/thing:3230667
Hinged: https://www.thingiverse.com/thing:2819571
Spare key tray only: https://www.thingiverse.com/thing:2992263
Made of metal!
Plug and cord hook, low profile:
https://www.thingiverse.com/thing:3723366
Simple perpendicular plug with cord hook:
https://www.thingiverse.com/thing:230595
Box cradle with plug, 2 parts:
https://www.thingiverse.com/thing:1122203
Outdoor cabinet:
https://www.lowes.com/pd/vevor-Steel-Electrical-Box-16-x-12-x-6-inch-Electrical-Enclosure-Box-Carbon-Steel-Hinged-Junction-Box-IP65-Weatherproof-Metal-Box-Wall-Mounted-Electronic-Equipment-Enclosure-Box-with-Mounting-Plate/5014065289
https://www.lowes.com/pd/vevor-Steel-Electrical-Box-12-x-10-x-6-inch-Electrical-Enclosure-Box-Carbon-Steel-Hinged-Junction-Box-IP65-Weatherproof-Metal-Box-Wall-Mounted-Electronic-Equipment-Enclosure-Box-with-Mounting-Plate/5014065279
