Swiss army knife keychain

thingiverse

Material: Keys several m4 spacer 2x M3 shalow head screws (read instruction for length) Instructions: - Choose how many keys you are going to use the keychain with - Split your keys into two equal stacks - In each stack of keys, add a spacer between each key and at the top and the bottom - Add any extra spacer so that the smaller stack can match the height of the bigger side - Get the length of the screw by adding the maximum stack thickness (between both sides) to 4mm, this will give you the lenght for your two m3 screws - Insert the screws on the top, add the key stacks on both sided so teethed side of the keys face the interior of the keychain - Carefully align the bottom on top of the screws - Hold everything together while tightening the screws Any doubts feel free to contact me Enjoy!