Tetracedron Abscisus Vacuus

Tetracedron Abscisus Vacuus From drawings by Leonardo da Vinci, published in the treatise "De Divina Proportione" by Fra Luca Pacioli (1497). Consisting of 4 Hexagons and 4 Regular Triangles, it uses 36 interlocking joints that allow it to be assembled and disassembled several times. It does not require the use of glue. Dimensions 15 x 11 x 15 Gr. 40 No. of components 44