Filigrana, Fili:
From Melting Pot Wiki
vetro a filigrana Glass canes of a colored center coated by clear glass. All varieties of blown glass, composed of white and sometimes other colored canes. vetro a fili: all the canes form parallel lines vetro a retorti (retortoli): each cane is twisted into a spiral. vetro a reticello: canes cross each other to form a fine mesh, which may trap small bubbles.
