Working with diffuse radiant illumination

In this tutorial I show how to deal with the Enable Radiant Illumination and Raydiosity Bounces functions in the renderer. This covers how light bounces around on diffuse surfaces and is especially useful in understanding how to light interior scenes.
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Modeling Lipstick, Part 4

This is a follow-up tutorial (to Part 3 here) dealing with rendering spline-based objects as polygons when the object has a transparent and refractive material. It shows how to adjust the object to get the best possible appearance.
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