1. SDK Help Center
  2. Effect Construction

What is the maximum file size that can be imported to the Filter Editor?

The number of vertices in one FBX file cannot exceed 65536, however, you can bypass this restriction by loading a scene with several FBX files.

The number of Bones in one FBX file cannot be more than 256. You can bypass this restriction by loading the scene with several FBX files.

The maximum size depends on the device capacity. 

Also see: How To Optimize Face Filters