Tag Archives: refraction

Russian Roulette sampling


In this post we’ll have a look at some sampling technics that can dramatically speed up your render times without affecting image quality. Let’s explore the alSurface shader for Arnold, and the “magic” Russian Roulette check-box.

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Rendering refractive surfaces with jf_nested_dielectric


Rendering refractive surfaces in arnold with the default shader can be really frustrating, render times can go up really fast and depending on your scene a lot of noise is introduced which is hard to clean even in high quality settings. The jf_nested_dielectric arnold shader is the perfect solution for refractive surfaces, in this post I am going to share a few tips about this shader.

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