Contents Designing » Intersecting » Combine and Split Tools » Merging Surfaces » Merging Surfaces ExamplesPrint pageMerging Surfaces Examples Six surfaces enclosing a volume, box-selected and combined with the Combine tool. Repairing a self-intersecting surface with the Combine tool. Ctrl+click to select an open edge loop of a surface, then close the surfaces with the Combine tool. « Repairing a Self-Intersecting SurfaceMerging Surface Protrusions »