This server runs mainly to provide a mail server that is not controlled by anyone else than me (and a hopefully uninterested netcup team).
These are written instructions for making little 3D stellar
constellations, e.g. as nerdy Christmas presents.
Instructions here ... (German text only.)
Small and not so small programs for the Calliope mini, a
platform for children to make first steps in programming. There
is a Snake variant and a two-player game over the in-built
Programs here ... (German text only.)
Python package and scripts for analyzing geometric distortions of optical systems. This software is meant for quick-look inspection of distortion data sets exported from Zemax models. (GitHub, Documentation)