Viewing your model from preferred angle will benefit model positioning.

Press the right mouse button in the 3D window and drag it. If there is a selected model, the 3D scene will rotate around the center of the selected model. If no model is selected, it will rotate around the tray.

If you press the Shift key while dragging the mouse, the view will pan with the drag of the mouse.

Scroll the middle mouse button, and the 3D scene will zoom in and out of the view with the mouse position.

In addition, UNIZ Dental provides a threshold angle of view, the user clicks the menu "View" -> "Main View" / "Left View" / "Right View" / "Top View" / "Front View" or click   in the 3D window to quickly switch the view.