Spidron

This article discusses the geometric figure; for the science-fiction character see Spidron (character). alt=|thumb|First spidron created by Dániel Erdély in 1979, consisting of equilateral triangles and the symmetrical obtuse [[isosceles triangles which together form right triangles]] In geometry, a spidron is a continuous flat geometric figure composed entirely of triangles, where, for every pair of joining triangles, each has a leg of the other as one of its legs, and neither has any point inside the interior of the other. A deformed spidron is a three-dimensional figure sharing the other pr