Recently bought a lot of Lego Technic sets and decided that it would be nice to have a tool I could use to make sorting Technic beams and axles easier.
I stumbled upon Tom Alphin’s printable ruler a while ago and I thought it’d be a neat idea to use the Glowforge to engrave that design into some material so that I could actually fit the pieces into something physically instead of just overlaying it on some paper.
First attempt I botched pretty hard as I forgot to make sure the design was set to the correct scale in the GFUI. Second attempt I fixed the scaling issues and tweaked the design to make it take up significantly less space / use less material. Went with some leftover Proofgrade Clear Acrylic and it turned out amazing.

Tom’s design here: http://tomalphin.com/2014/02/lego-ruler-and-sorting-tool.html