
spur gears
i write programs to design spur gears for 3d printing and laser cutting. these programs can be used to generate geometries of spur gear pairs, planetary gears and noncircular gears.photo:
switzerland - european union gear

3d scanning
3d scanning is a very interesting subject. a useful 3d scanner costs at least a few thousand dollars. so it would be great if one could build a simple scanner with cheap components.photo:
3d scan of a coin

swiss + relief
paint custom relief maps of switzerland with the android app "swiss + relief". choose custom colors for altitude, slope and exposition.photo: walensee region by swiss + relief

watchtowers
watchtowers offer great views over the surrounding area. but the architecture of the towers is often just as spectacular.photo:
chaumont tower, switzerland