ブラウザの設定でJava Scriptの使用を有効にしてご利用ください。
出典:Wiktionary
出典:『Wiktionary』 (2017/02/14 18:51 UTC 版)
poly- + draft + -er, from drafting triangle.
polydrafter (複数形 polydrafters)
出典:Wikipedia
出典:『Wikipedia』 (2010/08/09 15:54 UTC 版)
In recreational mathematics, a polydrafter is a polyform with a triangle as the base form. The triangle has angles of 30°, 60° and 90°, like a set square—hence the name. The polydrafter was invented by Christopher Monckton, whose Eternity Puzzle was composed of 209 hexadrafters.
polydrafter