I suspect it is this model with equilateral triangles instead of squares and then treated like waterbomb and bird bases, which is derived from the spinning octahedron.
| | | | | | | | | | | I assume this is the same model, equilateral triangle base, angles bisec... Explore cedison's photos on Flickr. cedison has uploaded 1574 photos to Flickr. | | | Best,Christine
