D3D may refer to:
*
DIII-D (tokamak)
DIII-D is a tokamak that has been operated since the late 1980s by General Atomics (GA) in San Diego, USA, for the U.S. Department of Energy. The DIII-D National Fusion Facility is part of the ongoing effort to achieve magnetically confined fusio ...
(pronounced 'D3D'), a tokamak located at San Diego, California
*
Direct3D
Direct3D is a graphics application programming interface (API) for Microsoft Windows. Part of DirectX, Direct3D is used to render three-dimensional graphics in applications where performance is important, such as games. Direct3D uses hardware a ...
, Microsoft's graphics rendering scheme
*
Dolby 3D
Dolby 3D (formerly known as Dolby 3D Digital Cinema) is a marketing name for a system from Dolby Laboratories, Inc. to show three-dimensional motion pictures in a digital cinema.
Technology
Dolby 3D uses a Dolby Digital Cinema projector that ...
*
Duke Nukem 3D
''Duke Nukem 3D'' is a first-person shooter video game developed by 3D Realms. It is a sequel to the platform games ''Duke Nukem'' and ''Duke Nukem II'', published by 3D Realms.
''Duke Nukem 3D'' features the adventures of the titular Duke Nuke ...
or Duke3d, a first person shooter video game from 1996
*
China Railways HXD3D, a type of electric locomotive in China
{{Letter-NumberCombDisambig