Compact key holder

Compact key holder with adjustable angleAre you tired of large and messy key rings? Are your keys hitting your knees during driving?Here is the solution.You will need to buy: ● 2 pcs of (black) DIN 7991 / ISO 10642 M3 x L10 (or L6-15) screws, or other type of countersunk screw ● M3 tap ● maybe a 5.5mm drill to enlarge holes in keys Instructions: ● measure the height of your keys, substract 0.5mm (and add 2mm to that number if you will use the connector) ● choose connector length variant by your largest key - so that it can rotate around ● scale the shaft to that dimension in your slicer and print it ● shaft should be printed from nylon ● insert your keys onto the shaft, shaft should be little bit shorter than the stack of keys. If it is not, then you won't be able to clamp the keys together ● carefully thread both ends of the shaft with M3 tap so it doesn't break ● use first screw to attach head washer to one end of the shaft ● insert your keys onto the shaft, insert connector part in