DESIGN NAME: Mobius
PRIMARY FUNCTION: Sofa
INSPIRATION: Mobius Sofa is inspired by the famous Mobius strip that is a surface with only one side and only one boundary. It can be realized as a ruled surface. It was discovered independently by the German mathematicians August Ferdinand Mobius and Johann Benedict Listing in 1858.
UNIQUE PROPERTIES / PROJECT DESCRIPTION: Mobius Sofa rappresents the state-of-the-art of research into stone materials and manufacturing techniques. The seat is configured as continuous 2 centimetres thick bands of Perlato di Sicilia, reinforced by applying a layer of carbon fibre on the back. The bands are made up by assembling a few lightweight pieces manufactured using CNC machinery. Their form emphasises the enormous unexplored potential of stone as a contemporary material for industrial design
OPERATION / FLOW / INTERACTION: Mobius Sofa is a surprising object, mainly because the stone is very thin but also resistant. It is a Sofa designed for luxury ambients but due its aesthetics quality and unique properties is also suitable for exhibitions.
PROJECT DURATION AND LOCATION: The project started in December 2015 in Bari (Italy) and Rivera (Switzerland) and finished in September 2016 in Rivera, and was exhibited in Marmomacc Verona in Octorber 2016.
FITS BEST INTO CATEGORY: Furniture Design
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PRODUCTION / REALIZATION TECHNOLOGY: The fabrication of the parts that forms the sofa consists of the following steps:
1. A solid block containing the whole piece is taken on the horizontal plane;
2. The block is moulded until the complete milling of the backside of the panel;
3. The milled surface is reinforced by carbon fibre or glass fibre which are glued through vacuum bagging technique;
4. The fibre-reinforced block is rotated and milled on the other side, until the panel desired thickness is achieved;
5. All the parts are glued togheter;
6. The stone and the carbon fibre are polished.
SPECIFICATIONS / TECHNICAL PROPERTIES: Width 1740 mm x Depth 585 mm x Height 807 mm x Thickness 20 mm
TAGS: Sofa, Mobius strip, stone, carbon fibre, cnc
RESEARCH ABSTRACT: The research aims to investigate the architectural uses of free-form panels made of natural stone, reinforced through the use of carbon fiber (or glass fiber) sheets on the back, in order to build lightweight shells in granite or marble. The combination of these two materials allows reducing the thickness of the stone components up to few millimetres and the achievement of a great structural performance. The project is a collaboration between the New Fundamentals Research Group (from Polytechnic University of Bari) and the Ticino-based company, Generelli SA.
CHALLENGE: The main problem with this type of shapes is related to fabrication. Stone manufacturing is increasingly implementing CNC and robotic machines, but very few artisans are able to push forward the potentialities of this tools. Another problem was to make the stone so thin without cracks or failures. Carbon fibre is very good to solve this issue, because it is know that it needs a support material before to be hardened with resins, and stone is good support material for carbon fibre. The final composite material has more properties that the sum of the original two.
ADDED DATE: 2017-02-23 10:25:03
TEAM MEMBERS (5) : Lead Designer: Giuseppe Fallacara, Designer: Maurizio Barberio, Engineer: Daniele Malomo, Stone manufacturing: Matteo Generelli and Stone supplying: MGI Sicilmarmi
IMAGE CREDITS: Generelli SA
PATENTS/COPYRIGHTS: Patented. Patent No. 16155341.7, Moreno Generelli and Matteo Generelli. 2016. Switzerland.
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