Assertion: octahedron's triangle | /r/CreatedBy | connecting edge-points
Facets:
Source sentences:
text: Twelve isoceles triangles (blue) are made by connecting edge-points from adjacent Octrahedron faces (two blue triangles under each of the 6 vertices).
text: Twelve isoceles triangles (blue) are made by connecting edge-points from adjacent Octrahedron faces (two blue triangles under each of the 6 vertices).