Use Unity Assets Processor to set importing rules, improving the asset pipeline, and avoiding time consuming manual changes.
#Models#
Importing a model to a path conatining
Model will changes its settings.
Static will remove the animations and create extra uv for lightmaping.
LowPoly will calculate the normals to 0, it gives a low poly effect.
#Sprites#
Importing a texture to a path containging Sprites will set some features.
Adding _CR'#1'x'#2' to the sprite will auto slice the sprite in '#1' rows and '#2' columns.
Example
awasomeSprite_CR4x6.
Also the sprite packer will be set as the parent folder.
#Oficial documentation#
http://docs.unity3d.com/ScriptReference/AssetPostprocessor.html