Editing 4D

'''4D''' or '''4-D''' primarily refers to:

* 4-dimensional [[spacetime]]: three-dimensional space of length, width, and height, plus time
* [[Four-dimensional space]]

It may also refer to:

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==Computers and photography==
* [[4D (software)]], a complete programming environment including database and web server
** [[4D SAS]], developers of 4D and Wakanda
** [[4D Inc]], a US-based subsidiary of 4D SAS
* [[4D BIM]], a term used in computer aided design
* [[4D printing]]
* [[Cinema 4D]], a commercial cross platform 3D graphics application
* [[SGI IRIS 4D]], a line of workstations from Silicon Graphics
* 4D, a [[Photo print sizes#|photo print size]] for digital cameras

==Arts and entertainment==
* [[4D (album)|''4D'' (album)]], a 2010 album by Matthew Shipp
* [[4-D (The X-Files)|"4-D" (''The X-Files'')]], an episode of ''The X-Files''
* [[4D Audio Recording system]], an audio recording system developed by Deutsche Grammophon
* [[4D film]], a high technology film experience augmented with physical or environmental effects
* [[4DTV]], a satellite TV broadcasting technology from Motorola
* [[4DX]], a 4D film format
* "4D", a song by Grand Mixer DXT and Bill Laswell from ''[[Aftermathematics]]'' (2003)
* "4D", a song by [[Northlane]] from ''[[Alien (Northlane album)|Alien]]'' (2019)
* 4D, the production code for the 1975 ''Doctor Who'' serial ''[[Revenge of the Cybermen]]''

==Other==
* Class 4-D, a classification of the [[Selective Service System]]
* [[4-D (psychedelic)]], a psychedelic drug
* [[4D (train)]] in Melbourne, Australia
* [[4-Digits]], a lottery in Malaysia and Singapore
* [[Air Sinai]] (IATA: 4D)
* [[Ring finger]], the fourth digit (abbreviated 4D) of the hand
* [[Potez 4D]], a four-cylinder aircraft engine

==See also==
* [[D4 (disambiguation)]]
* [[DDDD (disambiguation)]]
* [[Fourth dimension (disambiguation)]]
* [[Four Dimensions (disambiguation)]]

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