🔑 Key holder

Description

Source link: https://www.thingiverse.com/thing:2749745 Model made by @proteanman and found on Thingiverse.

Proteus Key Holder

**Swiss Army Knife Style Key Holder** updated Sepember 16th 2018 - 3 sizes, design tweeks, logo size tweeks for printing combatibility, removed older versions from download list, removed M2 sizing because it was barely used. updated September 11th 2018 - All New "Hard Edged" version with larger logo that is easier to print. Fixes old issue with the details in the logo not printing on most printers. updated August 31st 2018 - File names and knurl hole tweaks. updated February 23rd 2018 - Design and finalization of pieces. *Help support my designs by going becoming a patron: www.patreon.com/proteanman*

Basics

This works like a swiss army knife with your keys folding into the holder. Each holder is designed to have an equal number of keys at each end. The center bolt keeps the keys from crossing onto each other (you can remove it if you want). Fit as many keys as you want, you will just need a long enough set of bolts. **3 Sizes to print** Regular - common key sizes, house, mailbox, car, etc. Large - industrial, heavy duty locks, keys you can't buy in a hardware store Extra Large - usually old fashioned style keys, but who knows what else you can fit on this? ... it's big **Bolts/Nuts** - 3mm (M3) - 4-40 (Imperial UNC) - 4-48 (Imperial UNF) **Knurls** - M3, 5mm outer diameter, 4mm height Search ebay.com/aliexpress.com/amazon.com for the proper sized knurls Designed for 3mm (M3) bolts and nuts there is equivalent imperial (USA) sizes available. If you want the strongest and most reliable design you will need to use the Knurl option. These can be obtained from Ebay.com very easily. Search for M3 Knurls and ensure that they are 5mm outer diameter and 4mm in height. There are varying