• Clean >> Clean Non-manifold Faces command detects and corrects non-manifold faces in the selected shells.

• All the detected non-manifold faces are removed, and new faces are automatically generated in place of them.

Step   

Execute Clean >> Clean Non-manifold Faces command as follows:

1. Select Clean >> Clean Non-manifold Faces from the menu or click the icon from the Clean toolbar.

2. Select all the shells you want to clean by dragging the mouse with left mouse button pressed.

3. Click the right mouse button, the following popup menu appears. If you want to clean all the visible shells, select All. Then Select Done.

• New faces may not be generated after removing non-manifold faces. In this case, try Tool >> Fill Holes >> Surface command.