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Free Excavation

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Extras menu > Terrain (AR) / Extras menu > Special functions > Terrain (ME)

A free excavation is used to define fixed given surfaces embedded in the terrain or overhanging ranges such as a tunnel or an earth (root) cellar.

To define a free excavation, you must first create a 3D object that forms the desired recess. After selecting the function, select the 3D object, which is subtracted from the terrain. The colour of the surfaces is then adopted from the 3D object.