How do you prevent models from moving while you edit the Lumion Terrain? Lumion Support Center August 29, 2018 14:46 Updated Follow 1. Here's how 1.1: Select the models -> Context Menu -> Transformation -> Lock Position -> On See also: Video Tutorial: Build Mode: Locking Item Positions Related articles How do you remove the terrain from a swimming pool? How does the terrain work? Build Mode: Modifying Terrain Build Mode: Add Fountains Effect Object Build Mode: Configure The Sky Comments 0 comments Article is closed for comments.