IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This plastic model has a white ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...

This paper describes practical approaches on how to construct bounding pyramids and bounding cones for triangular Bézier surfaces. Examples are provided to illustrate the process of construction and ...

This column's recent exposé on the pyramid-shaped structures strewn across a paddock in the Lanyon Valley (Why these metal pyramids are in a Tuggeranong paddock, August 27) resulted in a bulging ...

A 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are not polyhedra. A 3D shape with regular polygonal faces, meeting at equal angles, is ...

The Pyramid Messenger is a messaging device for desktops in offices. The outer shell of the pyramid comes in a variety of colors with a solid white dry erase triangular pyramid. Write any message you ...