Construct a helical cutout
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Choose Home tab→Solids group→Cut list→Helix
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Select a sketch or region for the cross section and a line for the axis of revolution.

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Right-click to accept.

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Use the command bar and Helix Parameter dialog box to specify a creation method.
Note:You can define the helical path based on:
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axis length and pitch
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axis length and number of turns
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pitch and number or turns
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Type the required values for the helix. The required information is dependent on the helix creation method you specify.

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Right-click to accept.

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Click to finish the cutout.

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