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The revolution axis is defined in the following ways:

•indication of an existing object,

•through building a construction axis,

•automatically.

Specifying an existing object.

The revolution axis can be:

•straight-line object — the object itself will be the axis,

•surface of revolution, except for the sphere – the axis will be the axis of revolution of the surface,

To select an existing object as an axis, click in the Axis field in the Main section of the Parameter Panel and select the desired object in the Design Tree or in the graphics area. The name of the selected object will appear in the field of the same name.

Construction of an auxiliary axis

To build an auxiliary axis, press the Build axis button to the right of the Axis field. Will start axis creation process. Follow the plotting process and press the Create Object button. The system will return to the revolution operation process, the created axis will appear in the Design Tree and will automatically be selected as the revolution axis.

In the process of creating an axis, axis building commands are available. You can build the axis using any of these commands.

Automatically

The revolution axis can be determined automatically. To do this, it must be in the same sketch as the section of the element, and be a segment with the Axial  style or a  Centerline object. If necessary, the automatically selected axis can be changed using one of the methods described above.

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