pickup - 111124

■Thick Rings (by AKIRA)
http://blogs.yahoo.co.jp/seroripaserijapan/1640588.html

(via AKIRA's PUZZLE)

■知恵の輪 うま (by hayassi)
http://blogs.yahoo.co.jp/kumikugi/28319113.html

■くぎのわ 金魚のキス (by hayassi)
http://blogs.yahoo.co.jp/kumikugi/28336361.html

■くぎのわ 狐と狸 (by hayassi)
http://blogs.yahoo.co.jp/kumikugi/28356210.html

(via hayassiのブログ)

■Quickstep (by Jeff Namkung)
http://www.asahi-net.or.jp/~RH5K-ISN/Puzzle/444/Quickstep/

■Estergon 2 (by Yavuz Demirhan)
http://www.asahi-net.or.jp/~RH5K-ISN/Puzzle/666/Estergon2/

■Baryum (by Stéphane Chomine)
http://www.asahi-net.or.jp/~RH5K-ISN/Puzzle/6BoardBurr/Baryum/

(via ちょいとパズルでも)

■Half Turn Tetra (by Oskar van Deventer)
http://www.shapeways.com/model/386003/

(via Oskar Puzzles)

■What is This? [article] (by Vurdlak)
http://www.moillusions.com/2011/11/what-is-this.html

(via Mighty Optical Illusions)

■パズル感覚でシュレッダーを復元 [article] (by 北村ヂン)
http://portal.nifty.com/kiji/111122150874_1.htm

(via @nifty：デイリーポータルZ)