2012/03/13

pickup - 120313

■SP4 [design] (by 濱中裕明)
http://marine.sci.hyogo-u.ac.jp/~hammer/weblog/?p=421

(via 低次元日記)

■知恵の輪 ねずみ [design] (by hayassi)
http://blogs.yahoo.co.jp/kumikugi/29624900.html

(via hayassiのブログ)

■What makes a good mechanical puzzle? [article] (by allard)
http://allardspuzzlingtimes.blogspot.com/2012/02/what-makes-good-mechanical-puzzle.html

(via Puzzling Times)

■LEGO Patent Drawing [article] (by Tina Roth Eisenberg)
http://www.swiss-miss.com/2012/03/lego-patent-drawing.html

(via swissmiss)

■Black Cat Illusion [article] (by Santosh)
http://www.amazing-illusion.com/2012/03/black-cat.html

(via Amazing Illusions)

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