Thanks for sharing! I always liked the ‘vanity pcbs’ such as the DEFCON hacker conference batches. If you’re into this, you might like this design which I recently did for a soldering workshop at ProtoSpace FabLab Utrecht, the Netherlands:Proto POV
Basically, it’s a derivative of the Blinky POV by Wayne and Layne. More info (in Dutch) and the design is available at:Proto POV design
Note the golden QR code, and the ProtoSpace logo that’s embedded under the solder mask in the copper layer (right bottom) on the back.
For the dimension layer, I used this tutorial, which is a nice addition to your collection of tips and tricks:From illustrator to Eagle