A good 3D RAD exporter plugin should have the following features:

: Researchers use it as a cost-effective way to build 3D scenarios for presentations or educational simulations. Platform-Specific Usage

If you find the 3D Rad Exporter too unstable, community members often recommend: AccuTrans 3D

For modern workflows, it is often more reliable to export models as and use an intermediary tool like fragMOTION 3D Builder