Only two weeks after we came home from the Maker Fair, a new project was waiting for us. We were invited back to Hannover to the art festival called Hola Utopia. But not as guests, as artists! And our main kicker would be the Dot-Bot, […]
Year: 2026
Maker Fair 2026
Since the day I started calling myself a maker, I thought about showing some of my projects to a larger audience. This year, I finally decided to do so. I registered as an exhibitor for the second biggest maker fair in Europe and the third […]
Spring Battery
The Dot-Bot is a large scale wall plotter that used counterweights to tension its GT2 belts. When setting up and dismantling the Bot, hanging the weights was always an ordeal (about 10 minutes per station), so with a 3 station setup roughly 1 hour total […]
Dot-Bot Software Upgrade
The third time is a charm, they say. And apparently this also holds for software projects. I assure you that a fresh start with a clear vision is often so much more productive than trying to fit an old project into a new shape, which […]
Model Railway Booster Fault Detection
My dad usually has interesting challenges for me to solve. During my last christmas break at my parents place, my dad gave me my usual annual assignment. This time, he needed a way to intelligently power down parts of his model railway in case something […]




