Gear Coasters
As an Undergraduate Lab Instructor at Georgia Tech’s Invention Studio, I have the opportunity to use a Laser Cutter, among other amazing machines, as much as I want.
I drew this coaster set in AutoCAD, bought some wood at Home Depot, set the laser to work, and voilá - Coasters!
Download the .dxf file on Thingiverse and cut a set out for yourself!