Creating Spirals

You can create curves in the shape of spirals.

  1. From the Wireframe section of the action bar, click Spiral .
    The Spiral panel appears.
  2. 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.

    In the 3D area, a preview of the spiral appears.

  3. 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.

  4. Under Orientation, select the direction of the spiral's rotation:
    OptionDescription
    Counter-Clockwise
    Clockwise
  5. Under Spiral type, select a creation mode, and then define the corresponding values under Type:
    OptionDescription
    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.
    Reference direction = Z, Start radius = 5 mm, Clockwise, End angle = 20 deg, End radius = 30 mm, Revolutions = 2

    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.
    Reference direction = Z, Start radius = 5 mm, Counter-Clockwise, End angle = 20 deg, Pitch = 10 mm, Revolutions = 2

    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.
    Reference direction = Z, Start radius = 5 mm, Clockwise, End radius = 30 mm, Pitch = 10 mm

  6. Validate .