This is a Walnut I found some while back. It has a shell that is made out of three parts instead of two.

In order to do something completely different than usual I got myself some Agar-Petri-dishes and sterile cotton sticks to grow some bacteria.

A very handy tool that I built during my apprenticeship and still work with. This shows the quality of hand made tools as it is still sharp and works as well as on the day it was made ~1999.

A cube³.

This is a very ancient steam engine. My grandfather played with it when he was a young boy.  Read more

A relative scale. It was hand made by filing with a little bit of milling and turning.

This is a complete Lego car built up stone by stone and then combined to form the car.

I made this steam engine during my apprenticeship at a university. The technical design was taken from drawings and scaled down to 75% of the original. Some of the optical design is my own.  Read more

This was the last piece I made at the end of my aprenticeship. It is the actual acquisition piece that I had to make during the end exam. Made by hand.  Read more