The base is a nonagon and the faces are isosceles triangles. The pyramid is inverted, meaning that the vertex is at the bottom and the base is on top,


The base is a nonagon and the faces are isosceles triangles. The pyramid is inverted, meaning that the vertex is at the bottom and the base is on top, vintage line drawing or engraving illustration.


Size: 3993px × 5000px
Photo credit: © Patrick Guenette / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: art, black, drawing, engraved, engraving, geometric, hollow, illustration, inverted, isosceles, line, nonagon, nonagonal, pyramid, pyramids, solid, triangle, triangles, vector, vectors, vintage, white