Importing Assets
The built in file type is .babylon
and Babylon.js can load these without a plugin. All other file types require a plugin as described in this section.
Possible file types are gLTF, obj, stl
To help you with imported assets there is a manager for them.
Note: Since meshes you import can have a rotationQuaternion set before applying a rotation set the rotationQuaternion to _null