Free PBR has some great free physically based materials and 2k texture files.

Below are some examples rendered with Arnold.

Inspired partly by Destiny’s hyperspace loading screen, I thought I would try to create a similar effect with Arnold. The effect is achieved simply by connecting a fractal map to a gobo that is connected to a spot light and enabling volume scattering.

The tutorial is available here for MtoA.

Here is a short tutorial on how to create a flash photography effect to light a zombie attack with Arnold.

MtoA   MAXtoA   C4DtoA  HtoA

3D scan kindly provided by SnapTank.

If you are moving from an earlier version of Maya to Maya 2017, you should be aware that the color workflow has been updated. This is particularly important when opening old scenes in Maya 2017 as you will notice some changes in your renders.