Template:Edit TINs Workflow

1. Select and delete thin triangles.
Select TINs | Advanced | Select Boundary Triangles. Press the Delete key to remove them.

2. Locking and unlocking vertices.
Select TINs | Lock All Vertices. If a check mark is showing next to this command then vertices cannot be moved or edited. Selecting this command to add or remove the check mark.

3. Moving vertices.