Movable octahedron (octaedre articule)

Model 300

Category:

B IV 2; E III 9

Description

Movable octahedron (octaedre articule). Because of the self-penetration are two (equilateral triangular) lateral surfaces are hollowed. Cardboard.

Showcase of this model is Case number U 25

References

Separataband M5 im Mathematischen Institut p. 15.

Bricard(1898). Journal der Mathematik, p. 113.