Ralf Hinrichs, Adapter, A Square as a Connecting Element — 2021/22


Bachelor Thesis, Stuttgart State Academy of Art and Design, Prof. Mark Blaschitz, AM Claudia Nitsche
       The twin cities of Konstanz and Kreuzlingen have gradually grown together over centuries, forming a closely interconnected economic and cultural region. Today, the German–Swiss border constitutes the only physical and administrative division between the two municipalities. A disused border checkpoint, once a symbol of separation and control, is reinterpreted as an urban opportunity. The project proposes its transformation into a shared civic space that encourages exchange and interaction across national boundaries.

The initiative Adapter appropriates the site by reusing the existing building fabric to create a spatial and social bridge between the two cities. The suspended roof of the former checkpoint is selectively dismantled and reconfigured, allowing the site to shed its identity as a border crossing and instead provide an adaptable infrastructure for public use.
Steel beams recovered from the demolition are reused to construct two towers that frame the new public square and establish a visible landmark within the surrounding streetscape. Their façades are composed of translucent acrylic barrels mounted on chain hoists, enabling them to be raised, lowered, and reconfigured according to changing needs. As a result, the towers alternate between solid volumes, porous structures, and storage systems for the modular elements.

The barrel modules are complemented by simple timber connectors, allowing them to be appropriated as seating, spatial partitions, or temporary architectural components. Their repeated use throughout the site establishes a coherent architectural identity while encouraging flexible and participatory forms of occupation.

Minor interventions within the vacant ground-floor offices of the adjacent buildings provide a permanent base for the Adapter collective and its collaborators. Workshops, storage facilities, offices, changing rooms, sanitary spaces, a communal kitchen, and a multifunctional event space support a wide range of activities. Together, these interventions transform a former space of division into an adaptable public realm that continuously evolves through collective use and fosters collaboration across the border.

© 2026
Ralf Hinrichs

        2025/26
(Ge)schichten
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        2024/25
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        2024
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        2023
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Winner Europan E17 in Borkum GER 

        2021/22
Adapter
A Square as a Connecting Element

        2021
Blitzschlag

        2020
Vertigo Theater

        2019/20
if - Interfakultäre

        2019
Form Follows Fluffiness
I´m a designer and researcher in the field of architecture and urbanism. Designing with empathy for every being and a big passion for details. Trying to intervene as little as possible and as much as needed.

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