Clay Mode Advanced is a 3ds Max script that allows users to mimic the viewport shading seen in popular modeling applications like ZBrush and Mudboxx. This script makes a ShaderFX shader with matcap uv on the fly and assign the material as override material and turn on Rendering Setting mode. It is designed as a toggle mode. 

.: Author: SuperClayMode v1.1 by Changsoo Eun: https://cganimator.com/superclaymode-v1-1/

.: Editor: Wuan Hyu 

.: Free to download and use. 

Download Clay Mode Advanced here: https://archviztools.gumroad.com/l/clay_mode_advanced