The file is an older version of the professional level-design tool Prefab World Builder (PWB) , developed by Plugin Master . While version 3.1.1 was a significant milestone, the current stable release is version 4.10.2 , which is available on the Unity Asset Store . The Story Behind the Plugin

: The plugin has grown from basic placement to a suite of sophisticated tools:

: Comprehensive video guides can be found on YouTube for users who obtained the asset via bundles like Humble Bundle.

: Version 3.1.1 laid the groundwork, but the latest versions have been optimized for Unity 6 and resolved lag issues when handling dense vegetation or large scenes.

: Uses Bézier paths to instantly place fences or walls along a curve.

If you are looking for the latest official version, it is sold on the Unity Asset Store for approximately . Publisher : Plugin Master