Straight Edge with Measurements

thingiverse

This is a 5" Stright edge. It has a keychain holder, measurements for inches, Centimeters, Millimeters, Micrometers and even nanometers (the last few were put in just for fun). These are mainly used for helping people write in straight lines, even on a blank sheet of paper. I always find myself jotting quick notes at work and have wanted to use a tool that was ready to go to help me write straight. I might improve this design by notching it with square CM/inches etc for graphing or note-taking. Other quality of life improvements I want to add to it: Make it fold somehow - the longer the straight edge, the longer the sentence you can write without having to move the edge, build it thicker so that it is more sturdy.