The continuous change of geometric sections along the structure makes it original and dynamic. B-Line launches in 2016 Helix, its first wooden chair designed by the Italian designers Favaretto&Partners. The Helix chair in solid wood features back legs that were explicitly inspired by aeroplane propellers from the early 1900s. The geometrical cross-section changes continuously along the structure, giving it a new, dynamic look. The thin multi-layered wooden seat comes plain or upholstered in fabric. The slim-line backrest is available naked or as a version featuring a \u201ccorset\u201d of elasticised cord.