AR profiles in Meshmatic are set to reduce the file size as much as possible. AR devices are limited to their processing power and battery life. For best performance the 3D file has to be the most optimized for processing and rendering in real-time.
AR 1 - for Hololens, Magic Leap
Parts merged into a single object to meet a wide range of AR hardware requirements while maintaining high FPS.
AR 2 - for iPhone, Android, Adobe Aero
Number of parts reduced for AR devices with higher processing power such as iPhone and Android.