Cone by Radius and Height To create a cone using radius and height: 1. In a 3D isometric view, click the Cone tool from the 3D Modeling tool set, and select Cone by Radius and Height mode. 2. Click to set the center of the cone base. 3. Drag the mouse to the desired radius and click to set the radius of the cone base. The radius can also be set in the Data bar. 4. Move the mouse vertically and click to set the cone height.