By inheriing from those interfaces, I just create a new tool.Here is the main idea : Interact with UI elements, then load a new model from disk. Finally, the model was successfully imported, but I found this new loaded model cannot be selected by controller. And the ray just pass through it! I tried to select this model(A) in the Hierarchy, then duplicate this model(B), and then B can normally be selected by my controller. How can I solve this problem?