spur gearsto design circular and noncircular gears for various mechanisms i use simple programs that generate 2d geometry. i especially like noncircular gears despite their limited use.
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. that is what i have tried many times.
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 some very spectacular views of the surrounding areas. but the architecture of the towers is just as interesting. i don't think there are two towers that are the same. each one has its own design.
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