Within the Alpine village of Mulegns, Switzerland, a brand new experimental ice cream store appears like one thing out of a dream. From the surface, it resembles a basic picket barn. However step inside, and also you’ll discover a colourful, curving inside made totally from 3D printed recycled plastic. That is Gelateria Mulegns, a daring mix of custom and expertise.
This undertaking is a part of an experiment in sustainable structure and digital design. The constructing is a component of a bigger effort by the group Nova Fundaziun Origen to carry cultural vitality and new concepts into this quiet Alpine area.
Barn on the Outdoors, Baroque on the Inside
The surface of the Gelateria was constructed from reclaimed mass timber: regionally sourced wooden that had been used earlier than. The angular design is described as an origami construction, wrapped in a translucent cloth pores and skin that lets gentle filter by means of. It’s a nod to basic Alpine barns, however with a futuristic twist.
However the actual shock is inside, because of a swirling, colourful dome (known as a cupola) created from over 250 sq. meters of 3D printed recycled plastic. Despite the fact that it’s large, the whole plastic inside weighs beneath one ton.
ETH Zurich college students 3D printing the inside of Gelataria Mulegns.
This wavy inside was created by college students from ETH Zurich’s Grasp of Superior Research (MAS) in Structure and Digital Fabrication program utilizing a way known as Hole-Core 3D Printing (HC3DP). Developed at ETH’s Robotic Fabrication Lab, HC3DP is a big‑scale, robotic pellet extruder that prints recycled PETG plastic in lengthy, hole tubes as an alternative of strong traces. This makes the construction lighter, sooner to print, and extra material-efficient.
The group additionally lowered the print decision on objective, permitting the robots to work sooner whereas giving the floor a daring, textured look. Though the approach was initially developed for making façade panels, right here it was tailored to construct a complete inside house.

As a completely recyclable construction, the entire constructing is designed to be taken aside. Each timber piece could be reused or reassembled, and the 3D printed inside can finally be shredded and reprinted into new varieties. It’s an incredible instance of the potential of reusability in structure.
ETH Zurich college students 3D printing the inside of Gelataria Mulegns.
The undertaking was commissioned by Nova Fundaziun Origen, a cultural basis primarily based within the area. Origen has been working to revitalize Mulegns by means of artwork, structure, and efficiency. As a substitute of constructing giant museums or everlasting points of interest, the inspiration focuses on small, hanging constructions that mix storytelling, design, and native identification.
Printing the Gelateria Mulegns with recycled PETG plastic.
Gelateria is a part of that imaginative and prescient. Together with different initiatives just like the close by White Tower (Tor Alva), a hanging, 30-meter-tall construction and the world’s tallest 3D printed constructing, Gelateria is a part of Origen’s effort to attract guests to Mulegns and assist the realm’s cultural life.
Gelataria Mulegns subsequent to the Tor Alva in Switzerland. Picture courtesy of ETH Zurich.
Pictures courtesy of ETH Zurich
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