• Three-dimensional space
  Three-dimensional space
  Three-dimensional space is a geometric 3-parameters model of the physical universe in which we live. These three dimensions are commonly called length, width, and depth , although any three directions can be chosen, provided that they do not lie in the same plane.In physics and mathematics, a...
  
  , the physical universe
• Stereoscopy
  Stereoscopy
  Stereoscopy refers to a technique for creating or enhancing the illusion of depth in an image by presenting two offset images separately to the left and right eye of the viewer. Both of these 2-D offset images are then combined in the brain to give the perception of 3-D depth...
  
  , any technique capable of recording three-dimensional visual information or creating the illusion of depth in an image

Music

• 3D (Three Degrees album)
  3D (The Three Degrees album)
  -Personnel:* Sheila Ferguson – vocals* Valerie Holiday – vocals* Helen Scott – vocals-Production:* Giorgio Moroder – producer* Harold Faltermeyer – arranger* Keith Forsey – arranger* Jürgen Koppers – engineer...
  
  
• 3-D (band)
  3-D (band)
  3-D was a short-lived American rock band of the early 1980s, best known for the hit singles All Night Television,Telephone Number, and the New Wave classic X-ray eyes....
  
  , a U.S. rock band of the early 1980s
• 3-D (TLC album)
• 3-D (SPC ECO album)
  3-D (SPC ECO album)
  3-D is the debut album by SPC ECO, originally released in 2009, and re-released on January 1, 2010.-Track listing:- Personnel :*SPC ECO – Performer, Engineer, Producer, Writer...
  
  
• 3-D (I See Stars album)
  3-D (I See Stars album)
  3-D is the debut album from the band I See Stars. The album debuted at number 176 on the Billboard 200, number 5 on Top Heatseekers, and number 22 on Top Independent Albums...
  
  
• Robert Del Naja
  Robert Del Naja
  Robert Del Naja , also known as 3D, is an English artist and musician. Initially gaining notoriety as a graffiti artist and member of the Bristol collective known as "The Wild Bunch", Del Naja went on to become a founding member of the band Massive Attack where he is active to this day.-Music:Del...
  
  , an English artist and musician in the band Massive Attack
• The 3Ds
  The 3Ds
  The 3Ds were an alternative pop/rock band based from Dunedin, New Zealand, together from 1988 to 1997. The band was formed in May 1988 by* Dominic Stones — drums,* Denise Roughan — bass, keyboards, tambourine, vocals...
  
  , a rock band

Other uses

• Biela's Comet, a lost periodic comet discovered in 1826
• 3D (Long Island bus)
• British Rail Class 207
  British Rail Class 207
  The British Rail Class 207 diesel-electric multiple units were built by BR at Eastleigh in 1962.-Technical details:Power car * Introduced: 1962* Weight: 56 tons...
  
   sometimes known as 3Ds
• 3-D Secure
  3-D Secure
  3-D Secure is an XML-based protocol designed to be an added layer of security for online credit and debit card transactions. It was developed by Visa with the intention of improving the security of Internet payments and offered to customers as the Verified by Visa service...
  
  , a secure protocol for online credit and debit card transactions
• Threepence (British coin)
• 3D computer graphics
  3D computer graphics
  3D computer graphics are graphics that use a three-dimensional representation of geometric data that is stored in the computer for the purposes of performing calculations and rendering 2D images...
  
  
• 3D film
• 3D modeling
  3D modeling
  In 3D computer graphics, 3D modeling is the process of developing a mathematical representation of any three-dimensional surface of object via specialized software. The product is called a 3D model...
  
  
• 3D printing
  3D printing
  3D printing is a form of additive manufacturing technology where a three dimensional object is created by laying down successive layers of material. 3D printers are generally faster, more affordable, and easier to use than other additive manufacturing technologies. However, the term 3D printing is...
  
  
• 3D television
  3D television
  A 3D television is a television set that employs techniques of 3D presentation, such as stereoscopic capture, multi-view capture, or 2D-plus-depth, and a 3D display – a special viewing device to project a television program into a realistic three-dimensional field.- History :In the late-1890's,...
  
  
• 3D Mineral Water in Pakistan