For this print, you will need 2 M4 bolts and nuts.
I based it on this https://www.printables.com/es/model/612009-keyper-keep-you-keys-in-a-stylish-way awesome design by Glennovits3d.
keys..stl | 230.2KB | |
keys_v2.stl | 222.7KB | |
keys_v3_v1.stl | 222.7KB | |
keys_v9.step | 596.6KB | |
Spacer..stl | 35.0KB | |
Spacer_.step | 6.9KB |