MiKeys

This key holder prints in only 35 min and uses just over 10g of filament but feels very sturdy. Very easy to print and needs no extra materials or assembly. If you're confused in how it opens, see the 5th picture. It can hold up to 4 keys, so it's also perfect for the spare key sets of friends and family. You can even add the names to the sides for extra customisation or labeling. Dimensions are 80mm x 16.5mm x 25mm and the key pin is 4mm in diameter. The MiKeys are my first real "product" so print it and send me some feedback!