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. 

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.

3d scan of a coin
walensee by swissrelief

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 offer great views over the surrounding area. but the architecture of the towers is often just as spectacular.

chaumont tower, switzerland

us pics

while studying for a masters degree i spent several years in the us. during this time i went on numerous trips to discover great places.

coast near point reyes, california


i've built various multirotors for filming with varying success...

multicopter in swiss mountain valley