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Stone Web – Expanding Space

2018

With “Stone Web-Expanding Space”, we redesign rooms with our idea for multifunctional and lightweight modules made of basalt fibre. Solid stone, transformed into a fibre by melting in an industrial process, is transformed into a lightweight material by combining construction and material. The crafted modules can be produced in different shapes, sizes and stabilities. They can be used in both private and public interior and exterior spaces as multifunctional, light and aesthetically intriguing spatial structures. Whether as a sculptural spatial object or as a multifunctional “piece of furniture” in adaptable office landscapes, the modules can be freely assembled, rebuilt and thus playfully explored and experienced in their functions.

Contact

mail@rapp-unger.com

Team

Idalene Rapp - Designer
Natascha Unger - Designer

Impressum

© Copyright 2026
Idalene Rapp, Natascha Unger
All rights reserved.
Design by Idalene Rapp, Natascha Unger



Selected Exhibitions

Commissioned artworks/Customized for "The Florentin" Urban Retreat/Frankfurt (2025)

Contributed to the set design of a TV series by Port au Prince Film & Kultur Produktion GmbH (2025)

Designed the statuette for the Preis der Guten Lehre (Award for Excellence in Teaching), Humboldt University, Berlin (since 2020)

Contributor to Nach der Natur - Laboratory Book/Diaphanes Verlag (2024)

Contributed to the anthology „Architectures of Weaving“, exploring intersections of architecture and textile/Jovis Verlag, Berlin (2022)

Stone Web/Humboldt Labor/Humboldtforum Berlin/exhibition furniture (2021-2025)

All Good(s)/gr_und project space Berlin/as part of an exhibition (2021)

All Good(s)/Martin-Gropius-Bau Berlin/as part of an exhibition (2021)

HH Gallery meets Tommy Hilfiger Berlin/Tommy Hilfiger Premium store Berlin/Done by mirrors and Touch me soon/as part of an exhibition (2021)

Enough IS Enough/Beta Architectural Biennial/Timisoara, Rumania (Sep 25-Oct 25.2020)

Stone Web/Hirmer GmbH & Co. KG, München/retail design (2020)

Materials Revolution 2019/Elmia Subcontractor Schweden/ as part of an exhibition (2019)

Stone Web/Humboldt Forum im Berliner Schloss/as part of an exhibition (2019)

STARTS Prize Exhibition 2019/Festival „Ars Electronica” Linz, Austria/ as part of an exhibition (2019)

Disruptive Materials/Messe Interzum Köln/as part of an exhibition (2019)

Textil - Stoff der Zukunft/Exempla - Messe IHM München/as part of an exhibition (2019)

Neue Stoffe-New Stuff/Textilmuseum St. Gallen/as part of an exhibition (2017/18)

Smart Materials Satellites. Material als Experiment/Stahlhaus Dessau-Törten/as part of an exhibition (2017)

Textile Structures for New Building/Techtextil Fair, Frankfurt/Main/as part of an exhibition (2017)

Table Talks/Arabia Galerie-Helsinki Design Week/group exhibition (2015)

Konsistenzen/Zagreus- Koch Kunst Galerie/group exhibition (2015)