spur gearsi 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 scanning3d 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
swiss + reliefpaint 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
watchtowerswatchtowers offer great views over the surrounding area. but the architecture of the towers is often just as spectacular.
chaumont tower, switzerland
us picswhile 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