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Toolbar: Draw 3D > Cylinder ()

Menu: Insert > 3D Entities > Cylinder

Keyboard: CYLINDER

Experience Level: Intermediate

Draws a three-dimensional cylinder with a round or elliptical cross-section and vertical or slanted sides.

Type cylinder to create a three-dimensional ACIS solid; type ai_cylinder to create a three-dimensional surface.


  1. Specify the radius of the cylinder.
  2. Specify the height of the cylinder.

Elliptical Divisions <Center of base of cylinder> <0,0,0>: Specify the center of the base of the cylinder. Choose Elliptical for a cylinder with an elliptical cross-section. Choose Divisions to specify the number of divisions (tessellation lines that define the surface of the cylinder).

Diameter <Radius of cylinder>: Enter the radius of the base of the cylinder, or specify a second point to indicate the radius. To specify the diameter of the base, choose Diameter, and then enter the diameter or specify two points.

Center of second end <Height of cylinder>: To create a vertical cylinder, enter the height of the cylinder, or specify two points to indicate the height. For a cylinder with a slanted wall, enter C to specify the center point for the second end.

To draw a cylinder by specifying the diameter

Choose Diameter.

Diameter of cylinder: Specify the diameter of the cylinder.

Height of cylinder: Enter the height of the cylinder, or specify two points to indicate the height.

To specify the number of divisions

Choose Divisions.

Number of Divisions <value>: Specify the number of divisions, usually between 4 and 20. A large number of divisions takes the program longer to display the cylinder. A small number of divisions makes the cylinder unrecognizable.

To draw a cylinder with an elliptical base

Choose Elliptical.

Center <First end of ellipse base>: Specify the first end of an ellipse representing the base of the cylinder. This ellipse is drawn based on the length of one axis and the half-length of the second axis. Choose Center to draw the elliptical base based on a center point and the endpoints of the minor and major axes.

3D Entities

Create a cylinder

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