Revolve means rotate in 360â—¦. 3D effects enable you to create three-dimensional (3D) objects from two-dimensional (2D) artwork. You can control the appearance of 3D objects with lighting, shading, rotation, and other properties.
From object menu choose Effect > 3D > Rotate.
Revolving sweeps a path or profile in a circular direction around the global revolve axis to create a 3D object. Because the revolve axis is vertically fixed, the open or closed path you revolve typically needs to depict half of the desired 3D object’s profile in a vertical and front-facing position; you can then rotate the 3D object’s position in the effect’s dialog box.
So this way, you can make objects by rotating 2D objects.
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