The TTZ-Aichach team presented a robot-manufactured and robot-assembled structure made of low-grade wood

A look back at the New Bauhaus Festival in Weimar, September 2–3, 2026.
09/14/2026
New Bauhaus Festival in Weimar: Prof. Dr. Christopher Robeller (2nd from left), scientific director of the Digital Wood Construction research group at TTZ Aichach; Karl Alund (3rd from left) and Vincent Mack (right), research associates at TTZ Aichach, and Patrick Sasse (left), student of the THA-Bachelor Program Digital Design and Production. Photo: THA

TTZ Aichach’s innovative robotic wood joinery system enables construction using crooked hardwood, recycled materials, and reused elements

The New Bauhaus Festival in Weimar was a two-day innovation event that took place on September 2 and 3, 2026. Experts from the fields of architecture, real estate, science, technology, and the skilled trades gathered here to discuss and shape the future of sustainable, modular, and digital construction.

The event focused on:

  • New Technologies & AI: An examination of the impact of robotics, automation, and artificial intelligence on design and construction.
  • Modern Living: Discussion of modular and mass-produced construction as solutions to the housing shortage.
  • Sustainability: Exploration of eco-friendly materials and the circular economy.
  • Culture and Art: Integrating creative and cultural perspectives with high-profile speakers such as digital expert Sascha Lobo.

The team from the Technology Transfer Center (TTZ) for Digital Planning and Manufacturing in Construction at the Aichach campus of the Technical University of Applied Sciences Augsburg presented its latest robot-manufactured and assembled structure made of low-grade wood as part of a technical presentation and a research demonstration.

Here’s what the researcher says:

“At the TTZ for Digital Planning and Manufacturing in Construction, we have developed a novel robotic wood joinery system. Unlike the joinery systems currently on the market, the robot—with its innovative gripper—can also process smaller wooden components. This is particularly well-suited for construction using crooked hardwood, recycled, and reused elements. In addition, thanks to this special gripper, the robot can not only process components but also join them—for example, assembling them into a prefabricated lightweight wall or a ceiling element. For these lightweight construction elements, we also use a new, AI-supported process in which short pieces of wood of varying lengths are geometrically arranged by a computer program so that no offcuts are produced. “The resulting triangulation with reciprocal nodes is also structurally efficient, eliminating the need for traditional bracing,” says Prof. Dr. Christopher Robeller, scientific director of the Digital Timber Construction research field at TTZ Aichach.

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