"Subdiv" redirects here. For submarine divisions, see SUBDIV.
"SubD" redirects here. For the subminiature connector, see D-Sub.
In the field of 3D computer graphics, a subdivision surface (commonly shortened to SubD surface or Subsurf) is a curved surface represented by the specification of a coarser polygon mesh and produced by a recursive algorithmic method. The curved surface, the underlying inner mesh,[1] can be calculated from the coarse mesh, known as the control cage or outer mesh, as the functional limit of an iterative process of subdividing each polygonal face into smaller faces that better approximate the final underlying curved surface. Less commonly, a simple algorithm is used to add geometry to a mesh by subdividing the faces into smaller ones without changing the overall shape or volume.
The opposite is reducing polygons or un-subdividing.[2]
^"Subdivision Surfaces". nevercenter.com. Retrieved 19 January 2021.
^Blender: Reduce Polygons – Simply Explained
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