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                         Surface and Analyze Edge Tools > Split Edge  | 
                
The SplitEdge command splits surface edges at the designated locations.
            
        
Joining surfaces to each other may merge split edges, or introduce new splits along the joined edges.
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                         Surface Analyze Edge Tools > Merge Edge  | 
                
The MergeEdge command combines adjacent edges of the same simple surface into one edge.
            
        
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                         Surface Analyze Edge Tools > Merge All Edges  | 
                
The MergeAllEdges command merges all possible edges of a surface or polysurface.
The Join command merges all split edges when surfaces are joined.
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The RemoveAllNakedMicroEdges command removes very small single naked edges; that is, edges that fold or loop back on themselves and have no matching edge to which they can be joined.
            
        
Split and trim curves and surfaces
Rhinoceros 6 © 2010-2020 Robert McNeel & Associates. 11-Nov-2020