Collapse Thin Faces

Geometry > Face > Modify > Collapse

Dialog Box

This is used to collapse out the thin faces. For example the thin faces on top of ribs.

Mid line

This option is used to collapse out the faces to its middle. End edges that define the thickness of thin faces are automatically identified during mid line creation. If it fails to identify, it will post an error message, you can use the button "Display End Edges" to identify and verify the end edges. If the identified edges are not correct, select or deselect to correct the input end edges.

Selected edge

This option is used to collapse out the face to the given side edges that define the length of the face. The given side edges are preserved and the face is collapse out.