3D, 3-D, 3d, or Three D may refer to:

Science, technology, and mathematics

* A

three-dimensional space In geometry, a three-dimensional space (3D space, 3-space or, rarely, tri-dimensional space) is a mathematical space in which three values ('' coordinates'') are required to determine the position of a point. Most commonly, it is the three- ...

in mathematics

Relating to three-dimensionality

3D computer graphics 3D computer graphics, sometimes called Computer-generated imagery, CGI, 3D-CGI or three-dimensional Computer-generated imagery, computer graphics, are graphics that use a three-dimensional representation of geometric data (often Cartesian coor ...

, computer graphics that use a three-dimensional representation of geometric data * 3D display, a type of information display that conveys depth to the viewer * 3D film, a motion picture that gives the illusion of three-dimensional perception * 3D modeling, developing a representation of any three-dimensional surface or object * 3D printing, making a three-dimensional solid object of a shape from a digital model * 3D television, television that conveys depth perception to the viewer *

3D projection A 3D projection (or graphical projection) is a Design, design technique used to display a three-dimensional (3D) object on a two-dimensional (2D) surface. These projections rely on perspective (graphical), visual perspective and aspect analysi ...

3D rendering 3D rendering is the 3D computer graphics process of converting 3D models into 2D images on a computer. 3D renders may include photorealistic effects or non-photorealistic styles. Rendering methods Rendering is the final process of creati ...

* 3D scanning, making a digital representation of three-dimensional objects * 3D video game *

Stereoscopy Stereoscopy, also called stereoscopics or stereo imaging, is a technique for creating or enhancing the depth perception, illusion of depth in an image by means of stereopsis for binocular vision. The word ''stereoscopy'' derives . Any ster ...

, any technique capable of recording three-dimensional visual information or creating the illusion of depth in an image *

Three-dimensional space In geometry, a three-dimensional space (3D space, 3-space or, rarely, tri-dimensional space) is a mathematical space in which three values ('' coordinates'') are required to determine the position of a point. Most commonly, it is the three- ...

Other uses in science and technology

* 3-D Secure, a secure protocol for online credit and debit card transactions * Biela's Comet, a lost periodic comet discovered in 1826, also known as 3D * British Rail Class 207, sometimes known as 3Ds

Music

Artists

Robert Del Naja Robert Del Naja (; born 21 January 1965), also known as 3D, is a British artist, musician, singer and songwriter. He emerged as a graffiti artist and member of the Bristol collective The Wild Bunch (sound system), the Wild Bunch, and later as ...

(born 1965), also known as 3D, English artist and musician in the band Massive Attack * The 3Ds, a rock band

Albums

* ''3D'' (Go West album), 2010 * ''3-D'' (I See Stars album), the debut album from the band I See Stars * ''3-D'' (SPC ECO album) * ''3D'' (The Three Degrees album), 1979 * ''3-D'' (TLC album), 2002 * ''3-D'' (Wrathchild America album) * "Weird Al" Yankovic in 3-D, 1984, sometimes simply referred to as 3-D

Songs

* "3D" (song), a 2023 song by Jungkook featuring Jack Harlow *"3-D", a song by Cheap Trick from their 1983 album '' Next Position Please''

Other uses

* 3D Aerobatics, a form of flying using flying aircraft to perform specific aerial maneuvers * 3D (Long Island bus), bus service in New York State * 3D Test of Antisemitism, put forth by Israeli politician and human rights activist Natan Sharansky * Middle finger, the third digit (abbreviated 3D) of the hand * Three D Radio, a community radio station in Adelaide, Australia *

Three-dimensional chess Three-dimensional chess (or 3‑D chess) is any chess variant that replaces the two-dimensional chessboard, board with a three-dimensional array of cells between which the pieces can move. In practice, this is usually achieved by boards represent ...

* Threepence (disambiguation), a coin used in several countries, abbreviated as '3d' * The 3D ("Dudley Death Drop"), a professional wrestling double-team maneuver