World record: Qatar has tallest 3D printed tower

Challenging schedule


The project was complex for several reasons, including the challenging schedule leading up to the expo opening, and because Witteveen+Bos as designer and constructor, and Saint-Gobain Weber Benelux as 3D printing expert and producer, took this record attempt as an opportunity to further innovate the 3D concrete printing technology.


The schedule was driven by the expo opening and the logistical challenge of transporting all elements by boat from the Netherlands to Qatar. Through intensive and clever collaboration, they managed to achieve a very short lead time: from the initial design idea to realization and shipping within two months.


Futuristic design


The design pushes the boundaries of 3D printing technology. The interrupted circular structure and the characteristic 30-degree inclination are eye-catching. To achieve this futuristic design, optimal use was made of the advantages of 3D printing technology. A total of 85 unique building blocks were designed. Each concrete element was individually printed, and material was only printed where necessary for strength. Furthermore, the blocks have a hollow structure.


The result is a 3D-printed tower, consisting of ten layers with eight or nine blocks each, creating a structure measuring 13 by 13 meters with a height of 12.4 meters. After assessment, the Qatari tower has been recognized as the Guinness World Record for the ‘tallest freestanding 3D-printed concrete structure.’


Marijn Bruurs, 3D concrete print expert at Witteveen+Bos: ‘This record that we achieved together with Qatar is very valuable. Especially because we have been able to apply techniques in practice that can also be used on a broader scale, for example in housing construction.  With the 30-degree inclination and interrupted circle in the design also expand the structural and architectural possibilities of 3D concrete printing.’


Peter Paul Cornelissen, Business Unit Manager 3D Printing, Weber Benelux: ‘A project like this is ideally suited to be 3D printed with concrete. This has everything to do with the extremely short lead time, the number of unique shapes, and the structural properties of the material used. To guarantee the structural properties of the individual elements, Weber has developed a unique Quality Framework. This allows the agreed quality to be delivered with short lead times and large volumes, which is essential for any structural construction.’


Do you want to know more about the possibilities of 3D concrete printing? Contact us then. 

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Weber develops eco mortar for 3D concrete printing

Because a 3D printer only applies material where necessary, 3D printed products are on average 40 to 60% more sustainable than traditional formwork concrete products. In addition, the new concrete mortar uses considerably less cement in production. This, of course, without compromising Weber’s high quality standards and delivery reliability.


Weber 3D eco is the next step for the company to provide sustainable solutions for the construction sector, including popular inclined stairs, circular outdoor furniture, entrance protections, and other custom solutions.


“Our continued commitment to innovation and sustainability has led to this remarkable achievement,” says Peter Paul Cornelissen, Business Unit Manager Weber. “With this newly developed mortar composition, we reduce our cement consumption by almost half. In this way, we contribute to a cleaner future for the construction industry and the environment.”


Weber continues to be committed to providing innovative solutions that not only meet the needs of today but also contribute to a more sustainable tomorrow. All of this supports Saint-Gobain’s global goal of ‘Making the world a better home.’


Would you like to know more about the possibilities of 3D concrete printing? Contact us.

Curious about all the benefits?
Download our reference brochure

Do you want to visit one
of our 3D printing projects?

Online slopestairs configurator for personalized staircase design

The slopestairs configurator allows users to customize various parameters, including the width, length, height, step height and number of platforms of the staircase. This allows customers to create a staircase that perfectly fits their specific needs and environment.

One of the most striking features of the configurator is the ability to visualize the designed staircase model in the real world using augmented reality (AR). You do this by pointing the camera of your smartphone or tablet at the desired location. This way you can virtually place the staircase and instantly see how it would look in their own environment.


“With our online slopestairs configurator, we want to simplify the design process for customers while offering a unique and interactive experience,” said Jean Pierre van Dongen, 3D Sales Project Leader Benelux at 3D.Weber. “By using advanced technologies such as AR, we aim to make it easier for our customers to visualize and realize their ideal staircase.”

The slopestairs configurator is now available on our website and is free to use for anyone looking for a customized staircase solution. With this innovative tool, we take another step forward in providing high-quality and customer-oriented building solutions.

Curious about the possibilities? Click here and start your design now with our configurator. Or request our slopestairs brochure for more information.

Curious about all the benefits?
Download our infopaper 3D-printed slope stairs

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CROW-CUR guideline for 3D concrete printing now available

Our expertise in 3D concrete printing allows us to build more freely, efficiently and sustainably, with a focus on optimizing material use and minimizing environmental impact. Thanks to CROW-CUR’s new guideline, we are able to share our knowledge and experience with all those involved in the construction process. These include architects and designers, structural engineers and (public) clients. In this way we think along about the appropriate 3D printed solutions. From slope stairs, street furniture, drive-in safeguards to bridges and housing/home elements.

The use of 3D concrete printing as a construction method represents a significant shift from traditional construction processes. It allows us to build objects layer by layer with concrete. This requires a different approach regarding material behavior, construction method and structural design choices. With a dedicated approach and groundbreaking solutions, we strive to continue to innovate and lead the construction industry into a sustainable future.

Curious about the possibilities for your organization? Then request our information brochure using the form below or contact:

Pieter Bakker

3D Projectleider

Phone: +31 6 51868615


Jean Pierre van Dongen

3D Sales Projectleider BNL

Phone: +31 6 15076705


Curious about the possibilities?
Download our brochure of unique objects
in the public space

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Three major pillars in 3D concrete printing: Sustainability, construction automation and freedom of form

3D concrete printing. A relatively new technique with great potential for the future of construction. “Especially with the climate crisis, the large replacement and renovation task and the labor shortage we are facing,” says Pieter Bakker, 3D printing project leader at Saint-Gobain Weber Beamix.


“We are therefore constantly looking for opportunities to become more sustainable and thus have a positive environmental impact on and in our environment.” According to Pieter, smarter construction, including through parametric design, is the solution. “We also apply that within our 3D concrete printing technology.”

Three major pillars

At Saint-Gobain Weber Beamix, the entire development of 3D concrete printing rests on three major pillars: sustainability, automation of construction (with process optimization as a goal) and freedom of form. “In terms of sustainability, we are looking beyond making concrete more eco-friendly. With 3D concrete printing, we have a technique that allows us to use even less material: less concrete, no reinforcement, no formwork. And because the process is largely automated, we can shorten delivery times and respond to the scarcity of skilled workers. In line with this is process optimization, where time and error reduction play a major role.” The third pillar, according to Pieter, is freedom of form. “After all, parametric design is a technical and very important expression of the ease of form freedom, but also the ability to generate ‘more exotic’ shapes plays an important role in this.”

Slope stairs

“A slope stairs, perhaps not the sexiest structure, very clearly demonstrates all the advantages of parametric design, immediately bringing out all the benefits of 3D concrete printing,” says Pieter. “Based on the relevant dimensions, we can design a talus staircase without drawing or calculation, which can be printed the next day and delivered within three weeks.”


The slope stairs is one of the products that Saint-Gobain Weber Beamix is fully marketing within concrete printing. “We are past the pioneering phase, have already realized about 50 stairs in the Netherlands and within the rest of Europe and have now received approval from ProRail, Rijkswaterstaat and several municipalities.”

Without drawing or calculation, we can design a slope stairs, which can be printed the next day and delivered within three weeks.Without drawing or calculation, we can design a talus staircase, which can be printed the next day and delivered within three weeks.

Most sustainable bicycle bridge

A lot more complicated than slope stairs or other fairly standard concrete products such as sewer manholes, are the 3D printed bicycle bridges rolling out of Weber Beamix’s print factory in Eindhoven. “In collaboration with BAM Infra and Province of Noord-Holland, who have really embraced our innovation, we installed four 3D printed bicycle bridges at the N243 earlier this year.

As a construction team, we went through all phases, from sketch to execution, approaching the project with the same three pillars: how can we do this sustainably, fully automated and with as little material as possible, and of course in the context of freedom of form.” This involves four bridges with different arches and dimensions, all realized from the same parametric model. It shows that within certain parameters, a lot really is possible.

Sustainable and digital innovation together

It may be obvious: 3D concrete printing fits a sustainable future. “We have already taken many steps but we are not there yet,” says Pieter. “Governments and industry will have to continue to innovate together to overcome the climate crisis. I therefore invite them to explore and take that step with us.”

This article was written for the Dutch trade magazine GWWTotaal. Click here to read the full article (in Dutch).

Naast taludtrappen en fietsbruggen ontwikkelt Saint-Gobain Weber Beamix ook andere vrij standaard betonproducten zoals rioolputten.

Curious about the possibilities?
Download our brochure of unique objects
in the public space

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Saint-Gobain Weber and Urbastyle join forces with innovative 3D printed landscape benches

Through the innovative combination of 3D concrete printing with traditionally cast tops, we are creating benches that are both environmentally friendly and sustainable.


Infinite possibilities
One of the most striking features of the landscape benches is the enormous freedom of form. Customers have the ability to customize the benches to their specific needs and preferences. Consider the shape, size and color of the benches.


Lightweight and resilient
Thanks to the use of 3D concrete printing technology, Saint-Gobain Weber and Urbastyle have managed to introduce benches that are remarkably lightweight while maintaining comfortable seating experiences and low maintenance requirements. In addition, the benches are finished with a polished concrete top that is highly durable and resilient.


“The collaboration between Urbastyle and Weber embodies our commitment to pushing the boundaries of sustainable urban design,” said Peter Paul Cornelissen, Business Unit Manager of 3D Printing at Saint-Gobain Weber.


Curious about the possibilities?
Get in touch with us through our contact page. We will then get back to you as soon as possible.

Three different 3D-printed bicycle bridges next to the N243

Bert Swart, projectmanager for N243 at the Province of North Holland: “3D concrete printing aligns with a sustainable future, where more and more circular building practices are being adopted.”


Maintenance and reconstruction of N243

The N243 runs through beautiful polder landscapes. Therefore, several bridges span the waters of that landscape. Bicycle bridges have been placed over the Beemsterringvaart, Vrouwensloot, and Jispersloot along the Schermerhornerweg (N243) to make the road safer for cyclists. These were printed with concrete in the 3D concrete printing factory of Saint-Gobain Weber. The world’s highest 3D printed structure was previously printed here. Thanks to this innovative technique, less material is needed, and less material means reduced CO2 emissions. The 3D concrete printing technique offers further benefits. Less waste was produced during the construction process because no formwork was needed. And fewer tasks and steps were required on the construction site, resulting in significant time savings. Ultimately, special bridge railings with texts paying tribute to the Beemster and Schermer will be installed. The bridges, designed by Witteveen en Bos, do not contain reinforcement and are a perfect example of the design freedom and production speed that 3D concrete printing offers.


Inauguration on Friday, September 29

Deputy Jeroen Olthof of the Province of North Holland, Hein Jan Bocxe (CEO of BAM Infra Nederland), Bas Huysmans (CEO of Weber Benelux), and Willem Messchaert (dikeologist and writer of texts) performed the official opening ceremony on September 29. In the coming period, some final works will be carried out, after which the bridges will be fully ready and will enrich the landscape in all their glory for decades to come.

3D printing already in reach

On January 15, 2019, Weber Beamix opened Europe’s first commercial, industrial production site for 3D printing of concrete elements for construction in Eindhoven. Today, production is in full swing. Various components are being printed and fielded. There is even a second permanent production facility in Europe, a mobile factory for rental and a fixed product portfolio including custom-made slope stairs.

Set of 1

According to Pieter Bakker, 3D printing of concrete mortar makes individual serial production possible. This creates a huge increase in design freedom. Pieter: “The magic word is smarter construction, including parametric design. This is a process in which models or designs are automatically generated based on parameters, such as dimensions, material thickness or geometry. The print robot can vary endlessly based on different parameters. For example, you can give all the columns of a bridge or viaduct a different shape. Moreover, the printer only lays concrete where it is needed for structural strength. We therefore achieve savings of 30 to 40 percent. Formwork is also no longer needed, so there is also no waste.”

The printed elements for the outflow basin on transport.

Furthermore, according to Pieter, the whole process is faster and the margin of error decreases. During the design process, everyone is looking at the same design. Changes are immediately calculated and applied digitally. “You press ‘Ctrl+P’ at the end, so to speak, and the printer immediately starts production. For the construction site, the most important thing is that less time is needed on site, so also less man hours. This means faster, but also safer work, and construction becomes more attractive to young people through automation and robotisation. Another advantage is that you need fewer people on the construction site, which is important in these times of scarcity of skilled workers.”


Pieter Bakker concludes, “I am convinced that 3D concrete printing is claiming its place in the market. The technology is no longer in its infancy, but we also really have plenty of challenges ahead of us.”

Click here to read the whole article (in Dutch)

Discover our newest 3D printed slopestairs

Did you know that 3D printed slopestairs have a lot of advantages? The biggest advantage is CO2-reduction because this slopestair has a 60% lower footprint instead of regular prefab staircases. In addition, we do not use reinforcement steel and less concrete is used by printing ‘hollow’ steps. 


Below we show you three project we have released last months. These examples truly showcase the value of 3D Concrete Printing (3DCP).

Slopestairs - Bitgum | 3D.Weber

Slopestairs in Bitgum

Three 3D printed slope stairs have been installed in the Frisian village of Bitgum. The stairs are placed in three different places by Cnossen Infra BV.

Slopestairs in Brielle

Leander Mackloet of Waterschap Hollandse Delta commissioned new slopestairs. The staircase leads to the control box of a pumping station.
3D printed slopestairs Brielle
3D printed slopestairs in Saambeek

Slopestairs in Saambeek

Wim Van der aa of contracting company Gebr van der Aa bv placed a staircase at a pumping station for the Water Board Aa en Maas.

Advantages of a 3D printed slope staircase:

  • 30% Cheaper than regular prefab staircases;
  • Delivered within two weeks;
  • Tailor made;
  • More than 50% more sustainable than regular prefab staircases;
  • Very easy to handle and assemble;
  • Fully comply with the dutch building regislations, we can tailor make the staircase bases on local regislations.

Are 3D printed slopestairs the fitting solution for your project? Or do you want to know more about the possibilties of 3D printed slopestairs? Request our infopaper or contact our projectleader Jean Pierre van Dongen: +31 6 15076705 or

Receive infopaper 3D-printed slopestairs

Will you be our next intern?

Looking for an exciting internship opportunity? Join our team at Weber 3D Concrete Printing Factory!

As an intern, you’ll gain hands-on experience in the cutting-edge field of 3D concrete printing. You’ll work alongside experienced professionals and learn about the latest technology and techniques used in the industry. You’ll also have the opportunity to contribute to real projects and see your work come to life.

If you’re passionate about construction and technology, this is the internship for you. Apply now and take the first step in your career in 3D concrete printing.

We are looking for interns in following areas (HBO):

Does this intership match your wishes and expectations? Send your resume and a short introduction to: