In geometry, a **frustum** (plural: *frusta* or *frustums*) is the portion of a solid (normally a cone or pyramid) that lies between two parallel planes cutting it.

The term is commonly used in computer graphics to describe the three-dimensional region which is visible on the screen, the "viewing frustum", which is formed by a clipped pyramid; in particular, *frustum culling* is a method of hidden surface determination.

In the aerospace industry, frustum is the common term for the fairing between two stages of a multistage rocket (such as the Saturn V), which is shaped like a truncated cone.

Read more about Frustum: Elements, Special Cases, and Related Concepts, Examples

### Other articles related to "frustum":

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**frustum**attached ... of approximately 470 kg, a nose radius of 2.34 cm, a forward**frustum**half-angle of 10.4°, an inter-**frustum**radius of 14.6 cm, aft**frustum**half angle of 6°, and an axial ...Moscow Mathematical Papyrus - Two Interesting Geometry Problems - Problem 14: Volume of

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**frustum**of a cone with both ends open, will have resonant frequencies approximately equal to those of an open cylindrical pipe of the same length ... of a stopped conical tube — a complete cone or**frustum**with one end closed — satisfy a more complicated condition where the wavenumber k is and x is the distance from the small end of the ... and to first order the behavior does not change if the complete cone is replaced by a closed**frustum**of that cone ...Viewing

... In 3D computer graphics, the viewing

**Frustum**... In 3D computer graphics, the viewing

**frustum**or view**frustum**is the region of space in the modeled world that may appear on the screen it is the field of view of the notional camera ... region varies depending on what kind of camera lens is being simulated, but typically it is a**frustum**of a rectangular pyramid (hence the name) ... The planes that cut the**frustum**perpendicular to the viewing direction are called the near plane and the far plane ...**Frustum**- Examples

... A notable example of a pyramidal

**frustum**appears on the reverse of the Great Seal of the United States on the back of the United States one-dollar bill, the "unfinished pyramid" being surmounted by the Eye of ... Certain ancient Native American mounds also form the

**frustum**of a pyramid ... Center in Chicago, Illinois is a

**frustum**whose bases are rectangles ...

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