Detail this asset from Unity Asset Store: Original Link
This is a paid asset, but we’ll share Automatic LOD Free for you. Enjoy!!!
Automatic LOD v1.51
Automatic LOD is a powerful Unity extension that allows you to quickly generate and manage multiple levels of detail for your 3D models.
LOD levels are simplified meshes that are generated procedurally by the extension and help optimize your game especially on lower end platforms.
Besides the generation process, the Automatic LOD component also takes care during the game of enabling the correct mesh for each object depending on its distance to the camera or its screen area covered. This way you can use meshes with lower polygon count when the object is far away or covers small screen space and higher polygon count for up-close views.
Use detail only when you need it!
Demo (Win) | Demo (Mac) | Video | Doc & Help | Forum thread
-Create LOD level meshes fully procedurally with just one click
-Mesh decimator supports both static and skinned meshes
-LODs are automatically handled by the component. No scripting needed
-Build on top of our Mesh Simplify extension which is also included
-Includes full source code!
-Includes high quality 3D models and sample scenes seen on the screenshots
-LOD generator works also at runtime!
-Clean, easy to use and powerful UI with multiselection support
-Valid for all platforms! Especially useful on mobile
-Can handle complex object hierarchies with sub-objects and multiple materials
-Live preview in edit mode
-Supports both screen coverage and distance to camera algorithms
-Allows fine tuning by selecting areas that are more or less relevant than others
-Classic mesh decimation / polygon count reduction using the included Mesh Simplify tool