-
Do one of the following:
- On the ribbon, click .
- On the menu, click .
- Type Helix.
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In the graphics area, specify the base center point
(P1) to define the 2D spiral position.
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Do one of the following:
- Specify a point (P2) to define the base radius.
This point defines the start point.

- Or follow these steps:
- Type a value to define the base radius.
- Set the start angle.
- Set the Diameter:
- Specify the base
diameter.
- Specify the start point or
type the start angle value.
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Set the top radius (P3) or specify the
Diameter option with the top diameter.
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Specify the Direction and
Revolutions options. For example, set
5 for the number of revolutions.
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Set 0 (zero) for the height of the
helix.
You can modify spirals using EntityGrips or the
Properties palette.