Display steerable 3D model in front of unity UI

principle ： take Canvas Set to specified Camera Rendering , In the Canvas Add UI.

take Canvas Component's Render Model Property is set to Screen Space - Camera, Hang the camera on Render Camera On .

If you only need to display the model and operation locally , Is set Camera Medium Viewport Rect Parameters . Other full screens are required UI Otherwise add Canvas and Camera, In this way, global and local effects can be achieved .

Put the model in Canvas Between the picture and the camera , The model can be displayed in UI front , And it can be directly controlled .