Here is an article featuring a plotter built with MakerBeam. The article is in German, but the pictures in it plus the video give a very good impression of the plotter. Have fun watching!
For Gerhard the windtunnel started as a teaching device for the youth sailing weeks of his sailing club. The prototype was presented at the 2016 Maker Faire in Vienna where he received positive feedback. He plans on starting a Kickstarter campaign in the summer of 2016.