|Select > Exterior Poly-Facecommand selects exterior poly-faces region of mesh data. It can be used on volume reconstructed mesh or mesh of multiple layers.
This command is available when you are in the Mesh mode or Region Group mode with mehs data.
How to use By Criteria command
|Select Select> Exterior Poly-Face in the menu or click the icon in the toolbar.|
|Set Initial Radius to 10, Expand Radius to 5 and Toleranceto 0.3.|
|Click OK and Edit > Copy to copy selected outside surface.
|Exit Mesh mode and click Edit > Paste.|