00:05 : Surface imperfections using Coat layer
03:55 : Surface imperfections using material blender
12:08 : Colour layer and Material blender
check my patreon channel:https://www.patreon.com/bluefoxcreations
( Functions of colour multiplier and colour offset in Texture node
Color multiplier : Similar to MULTIPLY blending mode in photoshop
Color Offset : Similar to ADD blending mode in photoshop)
See how to create terrain mask using AO:https://goo.gl/sMiMs9
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