This tool was designed to convert thin grid-like objects into a ground surface similar to the ground plane. Unlike the ground plane tool, the surface that the terrain object creates is only as big as the original geometry. It is often used to convert a deformed grid into irregular terrain.

1. Select the object to convert to a terrain object.

2. Click the Terrain Object tool on the Rigid Bodies tab.

1. Click the Dynamics Select Mode button on the selector and handle controls toolbar.

2. Click the terrain object in the scene view.