Dezeen promotion: Note Design Studio has created a full-sized armchair and sofa version of Sancal's Tonella lounge chair using a ball of clay to form the shape. 
Sancal tasked the Stockholm-based studio with creating larger versions of the Tonella lounge chair in order to make it more suitable for spending long periods sitting and reading.

In this video Note Design Studio designers Charlotte Ackemar and Kristoffer Fagerström explain the process behind expanding the collection

Note Design Studio wanted to ensure that the new version maintained Tonella's original design elements, which are based on the shape of a Spanish wine barrel.
Rather than using contemporary methods of modelling, the designers turned to clay to form the new shapes.
"The Studio decided that in order to capture the essence of the original chair, based on the shape of a Spanish wine barrel, they would need to go back to basics," said Sancal.
"Rejecting all the mod-cons of computer-aided design and 3D printing, they started with a simple ball of clay."

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Like the original design, the new armchair and sofa feature barrel-shaped wire cages that form its base, but they now also feature thicker seats and a quilted seat cover that extends further down the legs.
"The whole proportion and the design language of the first, initial project has to...