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Catmull Clark - Subdivision

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Source
https://en.wikipedia.org/wiki/Catmull%E2%80%93Clark_subdivision_surface

  • an algorithm used for a type of subdivision surface modeling
  • a mesh of a polyhedron



Image Source:
https://en.wikipedia.org/wiki/Catmull%E2%80%93Clark_subdivision_surface

the image above shows the 4 phases that the cube gets subdivided with this algorithm



  • the reason why cubes is the best standard primitive when modeling a base mesh is that it gives you more flexibility to either subdivide it or retain it's sharp corners

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