: Tools like Undet for SketchUp provide "smart snapping" to point cloud data, allowing you to model against real-world site scans with high precision.

: Modern subscriptions like SketchUp Pro Scan enable users to import massive point cloud data directly into SketchUp, creating a "link" between the as-built site conditions and the 3D design environment. How to Establish a Building Point Link in Your Workflow

: Companies like BuildingPoint New Zealand provide the software and local support necessary to integrate SketchUp into high-precision construction workflows.

Get SketchUp 3D Modelling Software - BuildingPoint New Zealand

: This is the primary extension that creates the "link." It allows you to place layout points (building points) on your SketchUp model that can be exported to total stations for real-world staking.

You can purchase SketchUp Pro subscriptions and specialized "building point" tools through authorized retailers such as: