- Design: It features parallel rods in a single direction (usually diagonal or in a continuous spiral along the body of the piece).
- Material and technique: Hand-blown glass (hand-blown art glass) with filigree or colored cane technique (Mezza Filigrana
- Manufacturing technique: A series of parallel rods are arranged on a metal or stone plate (marver), heated, and rolled into a clear glass cylinder. When blowing and turning the piece on the artisan's cane, the parallel lines adopt a uniform spiral and helical pattern.
- Visual effect: It is a simple, clean, and elegant linear pattern, composed of a single set of parallel lines that do not cross each other.
Decoration consisting of fine parallel threads of colors between layers of glass.
- Origin and era: Traditionally made on the island of Murano, Italy, associated with mid-20th century designs (Mid-Century Modern / Art Deco style inspired by creators like Dino Martens for Aureliano Toso)