Creating accurate as-built models requires skilled BIM experts. To create an accurate as-built model for heritage buildings, it is important to ensure and practice the following steps: 1. Generate accurate point cloud scans 2. Converting point clouds to as-built models 3. Creating as-built 2D drawings 4. Modeling geometries with as-built 3D models 5. Quality check Check out the article to learn more about all 5 steps...