Assertion: octahedron's projection | /r/HasProperty | centered on normal
Facets:
value: to a face
type: TRANSITIVE-OBJECT
Source sentences:
text: The octahedron has four special orthogonal projections, centered, on an edge, vertex, face, and normal to a face.
text: The octahedron has four special orthogonal projections, centered, on an edge, vertex, face, and normal to a face.