While itself is a paid maxscript requiring a permanent license for professional use, there are several free or built-in alternatives for converting 3D scenes in 3ds Max and SketchUp. Official V-RayMax Converter PRO (Paid)
This article explores what V-RayMax Converter PRO offers, how to leverage its functionality, and the search for a "free" version. What is V-RayMax Converter PRO? vraymax converter pro free
Chaos Group includes a native scene converter within V-Ray itself. While itself is a paid maxscript requiring a
requiring a permanent license, the developer occasionally offers free upgrades for existing users of older versions, such as V-RayMtl Converter 3 maxtools.3dzver.ru Core Capabilities Chaos Group includes a native scene converter within
Since V-Ray Max Converter Pro is a professional-grade, commercial script used to migrate scenes between different rendering engines, it is and there is no legal "free" version of the Pro edition.
Ensure that converted glass materials have "Affect Shadows" enabled in the V-Ray material properties to prevent unnaturally dark rendering shadows.