Source : Cg-source https://cg-source.com/
How to use: Copy and paste the file MultiTexture_max20xx_ver2.01_32bit.dlt
to C:\Program Files\Autodesk\3ds Max 20xx\Plugins
Description: MultiTexture Map is a plugin for 3dsmax that loads multiple textures and assigns them randomly, either by object or by material ID. With controls to randomly adjust the gamma, hue and saturation.