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Angle and Angle Mid Plane

Remove material by revolving a closed sketch / composite curve by a given angle.

Important: When using this function, material will be removed only from the current active object. (If only one object exists in the file it is automatically active unless manually deactivated.) See Activate / Deactivate and Activating Objects.

Required Step 1

Select a closed 2D composite curve or sketch.


  • If you enter Revolve immediately after creating a closed 2D composite curve or sketch, the entity is automatically included in Step 1.
  • If you select a sketch that contains more than one closed curve sequence, all closed curve sequences will be extruded. In order for a sketch to be selected, however, it must contain only closed curve sequences.pa13

Required Step 2

Select the axis of revolution. The axis can be defined by picking an edge, line, datum axisUCS axis (pick a UCS axis), 2 points, or the axis through the center of a cylindrical face, arc or circle.pa14

Required Step 3


Set the revolution parameters. Choose One Side if you want to extrude on one side of the contour, and press the Angle = field to enter the angle. You can flip the direction by clicking the arrow.pa15

If you toggle One Side to Both Sides, you must specify the Opposite Angle – in the opposite direction from the arrow.pa16


Angle Mid Plane

If you want to revolve the contour by the same value in both directions, choose Angle Mid Plane. The value you specify is the total angle of revolution.pa17


Use the Invert Active Object option as required.

Press exit when finished. Press OK  or Apply  in the Feature Guide to complete the function.pa18

When completed, the Revolve feature will appear in the Feature Tree as follows:pa19

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