十二 30
Five Intersecting Tetrahedra
教辅|〖教育技术〗 qiusir 2010
五重四面体,网上有教程的~
有手有字典,有脑有纸张:Five Intersecting Tetrahedra
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update2013.4.1~
@qiusir:早上牛天昊童鞋送来大个“五重四面体”的手工,算作愚人节礼物吧~
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3月 26th, 2013 at 15:35
阿牛说是五重四面体~