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Polish designer Oskar Zieta uses an inflated steel technique for larger works of architecture.

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Polish designer Oskar Zieta has created a public sculpture in Wrocław using an inflated steel technique he plans to use for larger works of architecture writes Rima Sabina Aouf for dezeen.

The Nawa pavilion is installed on Daliowa, one of many small islands in the Oder River where it runs through Wrocław.

The reflective, undulating structure — composed of 35 metal arches — was sculpted using air to inflate the cavity between two thin steel sheets, welded at their edges.Daliowa pavilion by Oskar Zieta

Zieta calls this technique FiDU, or freie innen druck umformung in German, which roughly translates to internal pressure forming. It is a process he developed while studying at ETH Zurich in the early 2000s and has continued to evolve since.

"It is the most flexible tool-less metal forming technique ever," Zieta told Dezeen. "It allows us to create innovative, customised bionic shapes and fully recyclable objects using very efficient mass-production processes and individualised shaping methods."

Zieta used the method to make his Plopp stool for design brand Hay in 2008. Since then, his aspirations for FiDU have grown. . .