V-Ray for Revit only renders what is visible in the active 3D view. Use Revit’s Section Box tool to cut away parts of the building that are completely hidden from the camera. This prevents V-Ray from calculating hidden geometry and drastically reduces RAM usage. Troubleshooting Common Legacy Issues
Whether you are maintaining legacy projects in Revit 2016 or running production models in Revit 2021, understanding how V-Ray scales across these versions is essential for optimizing your design workflow. The Evolution of V-Ray Across Revit Versions vray for revit 2016 2021
This feature revolutionized architectural rendering. Designers could render a scene once and change the color and intensity of any light source (sun, sky, or interior fixtures) afterward without re-rendering. V-Ray for Revit only renders what is visible
Lighting Strategy: Utilize the V-Ray Sun and Sky system for exteriors. For interiors, use "Portal Lights" near windows to help the engine calculate light bounces more efficiently. Lighting Strategy: Utilize the V-Ray Sun and Sky