Download Mantis LOD Editor – Professional Edition FREE Unity.
Mantis LOD Editor Pro is a polygon reduction toolset (include an editor extension, a command-line tool, a standalone app, a progressive mesh generator, and a progressive mesh runtime), you can simplify your meshes and make LOD from within Unity’s editor, or from the command-line tool, or from the standalone app.
Most important, the toolset can generate high quality LOD with very low triangle count, this is very important for mobile games.
This product can run both on Windows x86_64 and macOS.
This product contains the world’s first commercial progressive mesh technology for Unity!
What’s progressive mesh technology? In short, it is an advanced automatic LOD technology, you no longer have to make LOD manually, and your game will run more smoothly and has hardly any pop-up effect.
The generated progressive mesh support all platforms, make once, run anywhere!