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Default UI Menu: Modify/Modify 3D Objects/Bending/Unfold Face

Ribbon UI Menu:

Unfolds faces of an ACIS object. This is also knows as obtaining the involute of a surface. Example 1

  1. For a simple example, start with a truncated cone, using the Cut Cone by Plane option.

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  1. Activate Unfold Face. Click when the curved face is highlighted. (Only faces that can be unfolded will be highlighted.)

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  1. A preview of the unfolded face will appear.

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  1. To create the face, select Finish from the Inspector Bar or local menu.

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Example 2

  1. For a more complex example, start with a Rectangle, filleted using the Fillet tool.

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  1. Create a cone from this polyline, using the Specify 2D Base option.

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  1. Create some cylinders and use 3D Subtract to remove them from the cone.

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  1. Activate Unfold Face and click the cone.

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  1. Select Finish. If you move or delete the cone, you can see the unfolded face clearly

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