For more detail this asset from the Unity Asset Store: Click Here
This is a paid asset, but now you can download PolyWorld: Woodland Low Poly Toolkit for FREE, Please keep in mind this package is provided only for learning purposes or to be able to test before buying the product, NOT FOR COMMERCIAL PURPOSES.
PolyWorld: Woodland Low Poly Toolkit v2.4 (Latest version)
“If possible, please buy the package to support the developer”
Polyworld: Woodland Toolkit is the defacto standard suite of tools and 3D artwork to create a flat-shaded, lowpoly world inside Unity.
Add Interiors with Polyworld: Low Poly Fantasy Interiors!
NEW! V2.0!
Terrain Generation has been completely rewritten!
Features:
-Create your world using the familiar Unity Terrain tools and heightfields, paint infinite terrain textures, then convert that to a low poly, Polyworld terrain.
-Convert any mesh, even characters, to the PolyWorld style. Any 3d object in the asset store can be used! *blendshapes not supported yet
-Includes a vast array of prefabs and meshes in the same low poly art style.
-14 faceted skyboxes with associated ambient cubemaps give you a variety of lighting conditions.
-Powerful mesh combine script to reduce draw calls for mobile
-Desktop and Mobile demo scenes!
-Compatible with Gaia,Fantasy Treasure Loot Kit and TaD – Sewer Kit
There will be imitators, but no other pack in the store offers what PolyWorld can do.