A view of A5 and A4 pen plotter prints laid out on a table for sale during the art fair.

A MIDI controller with 16 knobs allowed visitors to create a design to be plotted with any pen they chose.

I wrote the OPENRNDR design program and a Kotlin class to interface with the Axidraw pen plotter in the train from Berlin and in the hotel room. And of course I made it work in the very last second X-D