BladeKey is now also available in various sizes milled from aluminium at http://www.bladekey.com An easy to use "Swiss-Army" like organizer for keys! Tired of your keys being a big sharp ball of metal? Tired of your keys making a bunch of noise as you walk around? The BladeKey key organizer solves those problems by keeping your keys in order. Your keys are held in with a single zip-tie and rotate out like a Swiss-Army knife as shown in the picture. Relies on http://www.thingiverse.com/thing:8812 (Also Included In the Files Below) I have provided an example STL, but you should generate one to fit your keys. Free for Personal Use. Patented and Pending. http://www.bladekey.com/patents No Unauthorized Commercial Use. Available in milled anodized aluminium. More information at http://www.bladekey.com Great video describing how to customize and 3D print your own BladeKey: http://www.youtube.com/watch?v=PAX3yav2C5U&feature=youtu.be&a Measure Your Keys - http://youtu.be/ud4xJrZtB-M 1) Obtain a Caliper or a Ruler (2D Printable PDF Ruler: http://bit.ly/vq3y0). 2) Measure the width of all the keys you want to organize stacked together (mm). 3) Measure the length of your longest key (mm). If You Do Not Have a 3D Printer, You Can Buy a BladeKey: 1) Select the right size at http://www.shapeways.com/shops/bladekey. If the right size is not there already, let me know. ** If You Have a 3D Printer, You Can Print a BladeKey: 1) Plug the Length and Width values into the OpenSCAD file. 2) 3D Print the resulting STL file. 3) Make sure the zip-tie holes are clear.