The basic process of 3D modeling is as follows:
1, open CAD, and then find the "Switch Workspace" option below. Click on this option to find 3D modeling option in its submenu.
2, after clicking on the 3D modeling option, you will be taken to the 3D interface.
3, find the Visual Styles option in the 3D interface. Click this option to find the coloring option in its submenu, as shown in the figure.
4, click Color and then find the 3D Navigation option below. Click this option to find the Southeast Isometric Side option.
5, Click the Southeast Isometric Side option to enter the 3D workspace.
6, find the box option in the 3D Mode menu. Click this option to find the pyramid option in its drop-down menu.
7, select the pyramid option to create pyramids in 3D space to create 3D polyhedra.