T-Splines
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T-Splines introduced to CG Society Print E-mail
CGSociety
August 18, 2005 — T-Splines are a new surface formulation initially introduced in the Siggraph papers sessions in 2003 and 2004. T-Splines are a superset of NURBS and SubDs, and can convert losslessly from either, as well as polymeshes. T-Splines also allow T-Junctions, which allow you to terminate isoparms/edgeloops in a T, without creating 'n-gons'. That is, the surface still shades and deforms like a quad, without needing extra geometry.  — Read more...