Autodesk Navisworks -

He clicked. The 3D view on the screen zoomed instantly into a hyper-realistic representation of the corridor. The steel beams were rendered in grey; the HVAC ducts were a vibrant blue. And there, glowing with a throbbing red aura, was the problem. The duct ran straight through a W12x26 steel beam.

Stop emailing screenshots. From the Clash Detective window: autodesk navisworks

However, note that Solibri often wins on rule-based checking (code compliance), and Revizto wins on user interface. Navisworks remains the heavy-duty workhorse. He clicked