Bentley iTwin Design Review is a collaborative service hosted on the web that allows two or more interested parties to communicate with one another in the context of a 3D model or, more accurately, an iTwin.

The iTwin Services Add-in within the desktop application publishes the analysis model to an iTwinDesign Review session, and therefore into an intuitive point of collaboration that facilitates review of design work in progress

The web-based interface (accessible with a web browser) of Design Review offers a set of commands for navigating, viewing from different perspectives, isolating key elements, and clipping views.

Several review tools are included with the service:

• Measurements, including distance, area, location, radius, and angle
• Querying elements for physical information, such as dimensions, construction materials, and coordinates
• Querying analytical information, such as member fixities, applied loads, and reactions