Have you ever smudged the screen of your phone with your fingers and wondered how to create the effect in max? This tutorial will take you through the process.

Select the mental ray Arch & Design material. Expand the templates selection and select Glass (Solid Geometry).

Set the glossiness to 0.6. Under Anisotropy set the Anisotropy to 0.8.

For the Rotation apply the image you see below, this will give the glass a smudged effect.