Creating Spirals

The Spiral command lets you create curves in the shape of spirals.

  1. In the work area, select the reference elements:
    1. A support

      This element is the supporting plane for the spiral.

    2. A center point

      This element is the starting point for the spiral.

    3. A reference direction

      This element is the direction along which the radius of the spiral is measured, and from which the angle of the spiral is computed.

  2. In the panel, enter a value in the Start radius box.

    This value corresponds to the distance from the center point, along the reference direction, where the spiral's first revolution starts.

  3. Under Orientation, select the direction of the spiral's rotation:
    • Counter-Clockwise
    • Clockwise
  4. Under Spiral type, select a creation mode, and then define the corresponding values under Type:
    • Angle and Radius: The spiral is defined by an end angle and an end radius. This means that the last revolution ends on a point whose distance from the center point is the end radius value.
    • Angle and Pitch: The spiral is defined by an end angle and a pitch. The pitch is the distance between two revolutions of the spiral.
    • Pitch and Radius: The spiral is defined by an end radius and a pitch. The spiral ends when the distance from the center point to the spiral's last point equals the end radius value.
  5. Validate .

 

See Also
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