Rendering Modes-Wireframe
Wireframe Rendering is the simplest way a CAD program can represent 2D and 3D geometry.
Rendering Modes
Each Rendering mode in Vectorworks comes with its own set of individual rendering setting
Renderworks Backgrounds

Unless the 3D model that you create is entirely enclosed by 3D Geometry, then the blank area of any 3D view will need to be filled with a Background.
Rendering Types
A range of technical, photorealistic, and stylized Rendering types are available.