3D models can be added into your augmented reality scenes using the CraftAR Creator and rendered with the CraftAR Augmented Reality SDK in your mobile app.
With the following video tutorial, you will learn how to add a 3D model to your Augmented Reality scene with the CraftAR Creator, then edit the scene and publish the item.
For details about supported formats, optimizations and load time, please refer to the Developer Guide article: Preparing 3D models for the Augmented Reality SDK and the CraftAR Creator.