Projections of a triangular prism or block.

Projections of Triangular Prism

Projections of a triangular prism or block.

Projections of a triangular prism or block with a square hole.

Projections of Triangular Prism With Hole

Projections of a triangular prism or block with a square hole.

Illustration of the intersection of a triangular pyramid and a plane.

Intersection of Triangular Pyramid and a Plane

Illustration of the intersection of a triangular pyramid and a plane.

Projection of a turned block.

Projection of Turned Block

Projection of a turned block.

This Russian vase was contributed to the Crystal Palace in London, England (burnt down, no longer there). The vase has a geometric like design and includes a lid.

Russian Vase

This Russian vase was contributed to the Crystal Palace in London, England (burnt down, no longer there).…

This russian vase was contributed to the Crystal Palace in London, England (burnt down, no longer there). The vase is covered and has a geometric like design with figures all around.

Russian Vase

This russian vase was contributed to the Crystal Palace in London, England (burnt down, no longer there).…