BEHALLARE FOR FLYTBARA SUBSTANSER SASOM VETSKOR, PASTOR OCH PULVER

摘要

A container for liquids which takes the form of a spatial polygon having side planes of identical congruent triangles. The container consists of six triangular planes three of which have their bases against the bases of the other three and the top angle of each three meet at a point opposite to the point where the top angle of the other three meet.