VeraInView is a standalone Web application that visualizes the geometry from VERAin simulation input files. The user's guide can get you started. Sample files can be found in the VERAin testing folder.
VeraInView can be downloaded (Stable / Latest / User's Guide) as a standalone HTML page that can be used directly from your Desktop without any internet access.
Provided by the Consortium for Advanced Simulation of Light Water Reactors. A DOE Energy Innovation Hub.
VeraInView allows immersive navigation of a 3D scene using WebVR technology. You will need a headset, and a compatible browser, such as FireFox.