This page contains information regarding Star Trek: Picard, and thus may contain spoilers.
According to Odo, a pyramid was "one of the most mysterious shapes in nature," while demonstrating a pyramid-shaped glass container to a sick infant Changeling. Later, Odo transferred the Changeling back and forth from the pyramid-shaped to cube-shaped glass containers, and at one point said, "Now Mister Pyramid, here comes Mister Cube." (DS9: "The Begotten")
Pyramidical designs Edit
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On Earth, Pyramid shaped structures were built by numerous Human cultures, including Egyptians, Mayans, and Aztec. Pyramids were part of the city designed by Kukulkan. All of the ancient Human cultures influenced by Kukulkan built some type of pyramid, although none of them did it in the perfect way that he had planned. (TAS: "How Sharper Than a Serpent's Tooth")
One pyramid of note was the Great Pyramid of Giza, Egypt. After Archer restored a damaged timeline, it and neighbouring Pyramids could be seen in the timestream as the timeline realigned itself. (ENT: "Cold Front", "Storm Front, Part II"; TOS: "The City on the Edge of Forever")