Stitch

(a) Two pyramids with open bases.

(b) Open bases placed to touch.

(c) Stitching them makes a solid.

 

A stitch is the sequence of edges where faces meet and are linked to form a surface. Sequences of edges of two distinct objects may coincide but not be linked as stitches. This tool is used to link such sequences of edges. To apply it, with the tool active click on the two objects that are to be stitched, The result is produced immediately. See example.