Example: Prevent Shell from Penetrating at Concave Corners
This example shows you how to create a Shell feature by excluding surfaces and preventing the shell from penetrating at concave corners.
Create a shell feature as described in another example. Follow the steps below to exclude surfaces from being shelled and prevent the shell from penetrating at concave corners. The original model is shown in the following illustration.
1. Concave corner
2. Surface to remove
1. Open the References tab and click the Removed surfaces collector.
2. Select the side surface (2) as the surface to remove.
3. To exclude surfaces from the shell process, open the Options tab and activate the Excluded surfaces collector.
4. Select the surface to exclude in the graphics window as shown in the following illustration.
1. Surface to exclude
5. Click the Options tab and ensure that the Prevent shell from penetrating solid at is set to Concave corners.
6. Click
![](../../../part_modeling/part_modeling/images/dash_done.png)
. The model, after shelling, is shown in the following illustration.
1. Shelling prevented at concave corner