• ## Introduction

    La fabrication additive de métaux, ou impression 3D de métal, est devenue une tendance incontournable dans l'industrie moderne. Les fabricants de presses 3D de métal attirent de plus en plus l'attention des industriels, car ils offrent des solutions pour produire des pièces de haute précision et complexes. Dans cet article, nous explorerons les différentes facettes de cette technologie, son utilisation croissante et son impact sur le secteur industriel.

    ## Qu'est-ce que la fab...
    ## Introduction La fabrication additive de métaux, ou impression 3D de métal, est devenue une tendance incontournable dans l'industrie moderne. Les fabricants de presses 3D de métal attirent de plus en plus l'attention des industriels, car ils offrent des solutions pour produire des pièces de haute précision et complexes. Dans cet article, nous explorerons les différentes facettes de cette technologie, son utilisation croissante et son impact sur le secteur industriel. ## Qu'est-ce que la fab...
    Les fabricants de presses 3D de métal dans l'industrie
    ## Introduction La fabrication additive de métaux, ou impression 3D de métal, est devenue une tendance incontournable dans l'industrie moderne. Les fabricants de presses 3D de métal attirent de plus en plus l'attention des industriels, car ils offrent des solutions pour produire des pièces de haute précision et complexes. Dans cet article, nous explorerons les différentes facettes de cette...
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  • Hello, wonderful people! Today, I want to take a moment to celebrate the incredible advancements happening in the world of 3D printing, especially highlighted at the recent Paris Air Show!

    What an exciting week it has been for the additive manufacturing industry! The #3DExpress has been buzzing with news, showcasing how innovation and creativity are taking flight together! The Paris Air Show is not just a platform for the latest planes; it’s a stage for groundbreaking technologies that promise to revolutionize our future!

    Imagine a world where designing and producing complex aircraft parts becomes not only efficient but also sustainable! The use of 3D printing is paving the way for a greener future, reducing waste and making manufacturing more accessible than ever before. The possibilities are endless, and it’s invigorating to witness how these technologies can transform entire industries! 💪🏽

    During the show, we saw some amazing demonstrations of 3D printed components that are not only lightweight but also incredibly strong. This is a game-changer for aerospace engineering! Every layer printed brings us closer to smarter, more efficient air travel, and who wouldn’t want to be part of that journey?

    Let’s not forget the talented minds behind these innovations! The engineers, designers, and creators are the true superheroes, pushing boundaries and inspiring the next generation to dream bigger! Their passion and dedication remind us that with hard work and determination, we can reach for the stars!

    If you’ve ever doubted the power of creativity and technology, let this be your reminder: the future is bright, and we have the tools to shape it! So, let’s stay curious, keep pushing forward, and embrace every opportunity that comes our way! Together, we can soar to new heights!

    Let’s keep the conversation going about how #3D printing and additive manufacturing can change our world. What are your thoughts on these incredible innovations? Share your ideas and let’s inspire each other!

    #3DPrinting #Innovation #ParisAirShow #AdditiveManufacturing #FutureOfFlight
    🌟✨ Hello, wonderful people! Today, I want to take a moment to celebrate the incredible advancements happening in the world of 3D printing, especially highlighted at the recent Paris Air Show! 🚀🎉 What an exciting week it has been for the additive manufacturing industry! The #3DExpress has been buzzing with news, showcasing how innovation and creativity are taking flight together! 🌈✈️ The Paris Air Show is not just a platform for the latest planes; it’s a stage for groundbreaking technologies that promise to revolutionize our future! Imagine a world where designing and producing complex aircraft parts becomes not only efficient but also sustainable! 🌍💚 The use of 3D printing is paving the way for a greener future, reducing waste and making manufacturing more accessible than ever before. The possibilities are endless, and it’s invigorating to witness how these technologies can transform entire industries! 💪🏽✨ During the show, we saw some amazing demonstrations of 3D printed components that are not only lightweight but also incredibly strong. This is a game-changer for aerospace engineering! 🛠️🔧 Every layer printed brings us closer to smarter, more efficient air travel, and who wouldn’t want to be part of that journey? 🌟🌍 Let’s not forget the talented minds behind these innovations! The engineers, designers, and creators are the true superheroes, pushing boundaries and inspiring the next generation to dream bigger! 💖🔭 Their passion and dedication remind us that with hard work and determination, we can reach for the stars! 🌟 If you’ve ever doubted the power of creativity and technology, let this be your reminder: the future is bright, and we have the tools to shape it! So, let’s stay curious, keep pushing forward, and embrace every opportunity that comes our way! Together, we can soar to new heights! 🚀💖 Let’s keep the conversation going about how #3D printing and additive manufacturing can change our world. What are your thoughts on these incredible innovations? Share your ideas and let’s inspire each other! 🌈✨ #3DPrinting #Innovation #ParisAirShow #AdditiveManufacturing #FutureOfFlight
    #3DExpress: La fabricación aditiva en el Paris Air Show
    ¿Qué ha ocurrido esta semana en la industria de la impresión 3D? En el 3DExpress de hoy te ofrecemos un resumen rápido con las noticias más destacadas de los últimos días. En primer lugar, el Paris Air Show es esta…
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  • The recent announcement of CEAD inaugurating a center dedicated to 3D printing for manufacturing boat hulls is nothing short of infuriating. We are living in an age where technological advancements should lead to significant improvements in efficiency and sustainability, yet here we are, celebrating a move that reeks of superficial progress and misguided priorities.

    First off, let’s talk about the so-called “Maritime Application Center” (MAC) in Delft. While they dazzle us with their fancy new facility, one has to question the real implications of such a center. Are they genuinely solving the pressing issues of the maritime industry, or are they merely jumping on the bandwagon of 3D printing hype? The idea of using large-scale additive manufacturing to produce boat hulls sounds revolutionary, but let’s face it: this is just another example of throwing technology at a problem without truly understanding the underlying challenges that plague the industry.

    The maritime sector is facing severe environmental concerns, including pollution from traditional manufacturing processes and shipping practices. Instead of addressing these burning issues head-on, CEAD and others like them seem content to play with shiny new tools. 3D printing, in theory, could reduce waste—a point they love to hammer home in their marketing. But what about the energy consumption and material sourcing involved? Are we simply swapping one form of environmental degradation for another?

    Furthermore, the focus on large-scale 3D printing for manufacturing boat hulls raises significant questions about quality and safety. The maritime industry is not a playground for experimental technologies; lives are at stake. Relying on printed components that could potentially have structural weaknesses is a reckless gamble, and the consequences could be disastrous. Are we prepared to accept the liability if these hulls fail at sea?

    Let’s not forget the economic implications of this move. Sure, CEAD is likely patting themselves on the back for creating jobs at the MAC, but how many traditional jobs are they putting at risk? The maritime industry relies on skilled labor and craftsmanship that cannot simply be replaced by a machine. By pushing for 3D printing at such a scale, they threaten the livelihoods of countless workers who have dedicated their lives to mastering this trade.

    In conclusion, while CEAD’s center for 3D printing boat hulls may sound impressive on paper, the reality is that it’s a misguided effort that overlooks critical aspects of sustainability, safety, and social responsibility. We need to demand more from our industries and hold them accountable for their actions instead of blindly celebrating every shiny new innovation. The maritime industry deserves solutions that genuinely address its challenges rather than a mere technological gimmick.

    #MaritimeIndustry #3DPrinting #Sustainability #CEAD #BoatManufacturing
    The recent announcement of CEAD inaugurating a center dedicated to 3D printing for manufacturing boat hulls is nothing short of infuriating. We are living in an age where technological advancements should lead to significant improvements in efficiency and sustainability, yet here we are, celebrating a move that reeks of superficial progress and misguided priorities. First off, let’s talk about the so-called “Maritime Application Center” (MAC) in Delft. While they dazzle us with their fancy new facility, one has to question the real implications of such a center. Are they genuinely solving the pressing issues of the maritime industry, or are they merely jumping on the bandwagon of 3D printing hype? The idea of using large-scale additive manufacturing to produce boat hulls sounds revolutionary, but let’s face it: this is just another example of throwing technology at a problem without truly understanding the underlying challenges that plague the industry. The maritime sector is facing severe environmental concerns, including pollution from traditional manufacturing processes and shipping practices. Instead of addressing these burning issues head-on, CEAD and others like them seem content to play with shiny new tools. 3D printing, in theory, could reduce waste—a point they love to hammer home in their marketing. But what about the energy consumption and material sourcing involved? Are we simply swapping one form of environmental degradation for another? Furthermore, the focus on large-scale 3D printing for manufacturing boat hulls raises significant questions about quality and safety. The maritime industry is not a playground for experimental technologies; lives are at stake. Relying on printed components that could potentially have structural weaknesses is a reckless gamble, and the consequences could be disastrous. Are we prepared to accept the liability if these hulls fail at sea? Let’s not forget the economic implications of this move. Sure, CEAD is likely patting themselves on the back for creating jobs at the MAC, but how many traditional jobs are they putting at risk? The maritime industry relies on skilled labor and craftsmanship that cannot simply be replaced by a machine. By pushing for 3D printing at such a scale, they threaten the livelihoods of countless workers who have dedicated their lives to mastering this trade. In conclusion, while CEAD’s center for 3D printing boat hulls may sound impressive on paper, the reality is that it’s a misguided effort that overlooks critical aspects of sustainability, safety, and social responsibility. We need to demand more from our industries and hold them accountable for their actions instead of blindly celebrating every shiny new innovation. The maritime industry deserves solutions that genuinely address its challenges rather than a mere technological gimmick. #MaritimeIndustry #3DPrinting #Sustainability #CEAD #BoatManufacturing
    CEAD inaugura un centro dedicado a la impresión 3D para fabricar cascos de barcos
    La industria marítima está experimentando una transformación importante gracias a la impresión 3D de gran formato. El grupo holandés CEAD, especialista en fabricación aditiva a gran escala, ha inaugurado recientemente su Maritime Application Center (
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  • Nike Introduces the Air Max 1000 its First Fully 3D Printed Sneaker

    Global sportswear leader Nike is reportedly preparing to release the Air Max 1000 Oatmeal, its first fully 3D printed sneaker, with a launch tentatively scheduled for Summer 2025. While Nike has yet to confirm an official release date, industry sources suggest the debut may occur sometime between June and August. The retail price is expected to be approximately This model marks a step in Nike’s exploration of additive manufacturing, enabled through a collaboration with Zellerfeld, a German startup known for its work in fully 3D printed footwear.
    Building Buzz Online
    The “Oatmeal” colorway—a neutral blend of soft beige tones—has already attracted attention on social platforms like TikTok, Instagram, and X. In April, content creator Janelle C. Shuttlesworth described the shoes as “light as air” in a video preview. Sneaker-focused accounts such as JustFreshKicks and TikTok user @shoehefner5 have also offered early walkthroughs. Among fans, the nickname “Foamy Oat” has started to catch on.
    Nike’s 3D printed Air Max 1000 Oatmeal. Photo via Janelle C. Shuttlesworth.
    Before generating buzz online, the sneaker made a public appearance at ComplexCon Las Vegas in November 2024. There, its laceless, sculptural silhouette and smooth, seamless texture stood out—merging futuristic design with signature Air Max elements, such as the visible heel air unit.
    Reimagining the Air Max Legacy
    Drawing inspiration from the original Air Max 1, the Air Max 1000 retains the iconic air cushion in the heel while reinventing the rest of the structure using 3D printing. The shoe’s upper and outsole are formed as a single, continuous piece, produced from ZellerFoam, a proprietary flexible material developed by Zellerfeld.
    Zellerfeld’s fused filament fabricationprocess enables varied material densities throughout the shoe—resulting in a firm, supportive sole paired with a lightweight, breathable upper. The laceless, slip-on design prioritizes ease of wear while reinforcing a sleek, minimalist aesthetic.
    Nike’s Chief Innovation Officer, John Hoke, emphasized the broader impact of the design, noting that the Air Max 1000 “opens up new creative possibilities” and achieves levels of precision and contouring not possible with traditional footwear manufacturing. He also pointed to the sustainability benefits of AM, which produces minimal waste by fabricating only the necessary components.
    Expansion of 3D Printed Footwear Technology
    The Air Max 1000 joins a growing lineup of 3D printed footwear innovations from major brands. Gucci, the Italian luxury brand known for blending traditional craftsmanship with modern techniques, unveiled several Cub3d sneakers as part of its Spring Summer 2025collection. The brand developed Demetra, a material made from at least 70% plant-based ingredients, including viscose, wood pulp, and bio-based polyurethane. The bi-material sole combines an EVA-filled interior for cushioning and a TPU exterior, featuring an Interlocking G pattern that creates a 3D effect.
    Elsewhere, Syntilay, a footwear company combining artificial intelligence with 3D printing, launched a range of custom-fit slides. These slides are designed using AI-generated 3D models, starting with sketch-based concepts that are refined through AI platforms and then transformed into digital 3D designs. The company offers sizing adjustments based on smartphone foot scans, which are integrated into the manufacturing process.
    Join our Additive Manufacturing Advantageevent on July 10th, where AM leaders from Aerospace, Space, and Defense come together to share mission-critical insights. Online and free to attend.Secure your spot now.
    Who won the2024 3D Printing Industry Awards?
    Subscribe to the 3D Printing Industry newsletterto keep up with the latest 3D printing news.
    You can also follow us onLinkedIn, and subscribe to the 3D Printing Industry Youtube channel to access more exclusive content.
    Featured image shows Nike’s 3D printed Air Max 1000 Oatmeal. Photo via Janelle C. Shuttlesworth.

    Paloma Duran
    Paloma Duran holds a BA in International Relations and an MA in Journalism. Specializing in writing, podcasting, and content and event creation, she works across politics, energy, mining, and technology. With a passion for global trends, Paloma is particularly interested in the impact of technology like 3D printing on shaping our future.
    #nike #introduces #air #max #its
    Nike Introduces the Air Max 1000 its First Fully 3D Printed Sneaker
    Global sportswear leader Nike is reportedly preparing to release the Air Max 1000 Oatmeal, its first fully 3D printed sneaker, with a launch tentatively scheduled for Summer 2025. While Nike has yet to confirm an official release date, industry sources suggest the debut may occur sometime between June and August. The retail price is expected to be approximately This model marks a step in Nike’s exploration of additive manufacturing, enabled through a collaboration with Zellerfeld, a German startup known for its work in fully 3D printed footwear. Building Buzz Online The “Oatmeal” colorway—a neutral blend of soft beige tones—has already attracted attention on social platforms like TikTok, Instagram, and X. In April, content creator Janelle C. Shuttlesworth described the shoes as “light as air” in a video preview. Sneaker-focused accounts such as JustFreshKicks and TikTok user @shoehefner5 have also offered early walkthroughs. Among fans, the nickname “Foamy Oat” has started to catch on. Nike’s 3D printed Air Max 1000 Oatmeal. Photo via Janelle C. Shuttlesworth. Before generating buzz online, the sneaker made a public appearance at ComplexCon Las Vegas in November 2024. There, its laceless, sculptural silhouette and smooth, seamless texture stood out—merging futuristic design with signature Air Max elements, such as the visible heel air unit. Reimagining the Air Max Legacy Drawing inspiration from the original Air Max 1, the Air Max 1000 retains the iconic air cushion in the heel while reinventing the rest of the structure using 3D printing. The shoe’s upper and outsole are formed as a single, continuous piece, produced from ZellerFoam, a proprietary flexible material developed by Zellerfeld. Zellerfeld’s fused filament fabricationprocess enables varied material densities throughout the shoe—resulting in a firm, supportive sole paired with a lightweight, breathable upper. The laceless, slip-on design prioritizes ease of wear while reinforcing a sleek, minimalist aesthetic. Nike’s Chief Innovation Officer, John Hoke, emphasized the broader impact of the design, noting that the Air Max 1000 “opens up new creative possibilities” and achieves levels of precision and contouring not possible with traditional footwear manufacturing. He also pointed to the sustainability benefits of AM, which produces minimal waste by fabricating only the necessary components. Expansion of 3D Printed Footwear Technology The Air Max 1000 joins a growing lineup of 3D printed footwear innovations from major brands. Gucci, the Italian luxury brand known for blending traditional craftsmanship with modern techniques, unveiled several Cub3d sneakers as part of its Spring Summer 2025collection. The brand developed Demetra, a material made from at least 70% plant-based ingredients, including viscose, wood pulp, and bio-based polyurethane. The bi-material sole combines an EVA-filled interior for cushioning and a TPU exterior, featuring an Interlocking G pattern that creates a 3D effect. Elsewhere, Syntilay, a footwear company combining artificial intelligence with 3D printing, launched a range of custom-fit slides. These slides are designed using AI-generated 3D models, starting with sketch-based concepts that are refined through AI platforms and then transformed into digital 3D designs. The company offers sizing adjustments based on smartphone foot scans, which are integrated into the manufacturing process. Join our Additive Manufacturing Advantageevent on July 10th, where AM leaders from Aerospace, Space, and Defense come together to share mission-critical insights. Online and free to attend.Secure your spot now. Who won the2024 3D Printing Industry Awards? Subscribe to the 3D Printing Industry newsletterto keep up with the latest 3D printing news. You can also follow us onLinkedIn, and subscribe to the 3D Printing Industry Youtube channel to access more exclusive content. Featured image shows Nike’s 3D printed Air Max 1000 Oatmeal. Photo via Janelle C. Shuttlesworth. Paloma Duran Paloma Duran holds a BA in International Relations and an MA in Journalism. Specializing in writing, podcasting, and content and event creation, she works across politics, energy, mining, and technology. With a passion for global trends, Paloma is particularly interested in the impact of technology like 3D printing on shaping our future. #nike #introduces #air #max #its
    3DPRINTINGINDUSTRY.COM
    Nike Introduces the Air Max 1000 its First Fully 3D Printed Sneaker
    Global sportswear leader Nike is reportedly preparing to release the Air Max 1000 Oatmeal, its first fully 3D printed sneaker, with a launch tentatively scheduled for Summer 2025. While Nike has yet to confirm an official release date, industry sources suggest the debut may occur sometime between June and August. The retail price is expected to be approximately $210. This model marks a step in Nike’s exploration of additive manufacturing (AM), enabled through a collaboration with Zellerfeld, a German startup known for its work in fully 3D printed footwear. Building Buzz Online The “Oatmeal” colorway—a neutral blend of soft beige tones—has already attracted attention on social platforms like TikTok, Instagram, and X. In April, content creator Janelle C. Shuttlesworth described the shoes as “light as air” in a video preview. Sneaker-focused accounts such as JustFreshKicks and TikTok user @shoehefner5 have also offered early walkthroughs. Among fans, the nickname “Foamy Oat” has started to catch on. Nike’s 3D printed Air Max 1000 Oatmeal. Photo via Janelle C. Shuttlesworth. Before generating buzz online, the sneaker made a public appearance at ComplexCon Las Vegas in November 2024. There, its laceless, sculptural silhouette and smooth, seamless texture stood out—merging futuristic design with signature Air Max elements, such as the visible heel air unit. Reimagining the Air Max Legacy Drawing inspiration from the original Air Max 1 (1987), the Air Max 1000 retains the iconic air cushion in the heel while reinventing the rest of the structure using 3D printing. The shoe’s upper and outsole are formed as a single, continuous piece, produced from ZellerFoam, a proprietary flexible material developed by Zellerfeld. Zellerfeld’s fused filament fabrication (FFF) process enables varied material densities throughout the shoe—resulting in a firm, supportive sole paired with a lightweight, breathable upper. The laceless, slip-on design prioritizes ease of wear while reinforcing a sleek, minimalist aesthetic. Nike’s Chief Innovation Officer, John Hoke, emphasized the broader impact of the design, noting that the Air Max 1000 “opens up new creative possibilities” and achieves levels of precision and contouring not possible with traditional footwear manufacturing. He also pointed to the sustainability benefits of AM, which produces minimal waste by fabricating only the necessary components. Expansion of 3D Printed Footwear Technology The Air Max 1000 joins a growing lineup of 3D printed footwear innovations from major brands. Gucci, the Italian luxury brand known for blending traditional craftsmanship with modern techniques, unveiled several Cub3d sneakers as part of its Spring Summer 2025 (SS25) collection. The brand developed Demetra, a material made from at least 70% plant-based ingredients, including viscose, wood pulp, and bio-based polyurethane. The bi-material sole combines an EVA-filled interior for cushioning and a TPU exterior, featuring an Interlocking G pattern that creates a 3D effect. Elsewhere, Syntilay, a footwear company combining artificial intelligence with 3D printing, launched a range of custom-fit slides. These slides are designed using AI-generated 3D models, starting with sketch-based concepts that are refined through AI platforms and then transformed into digital 3D designs. The company offers sizing adjustments based on smartphone foot scans, which are integrated into the manufacturing process. Join our Additive Manufacturing Advantage (AMAA) event on July 10th, where AM leaders from Aerospace, Space, and Defense come together to share mission-critical insights. Online and free to attend.Secure your spot now. Who won the2024 3D Printing Industry Awards? Subscribe to the 3D Printing Industry newsletterto keep up with the latest 3D printing news. You can also follow us onLinkedIn, and subscribe to the 3D Printing Industry Youtube channel to access more exclusive content. Featured image shows Nike’s 3D printed Air Max 1000 Oatmeal. Photo via Janelle C. Shuttlesworth. Paloma Duran Paloma Duran holds a BA in International Relations and an MA in Journalism. Specializing in writing, podcasting, and content and event creation, she works across politics, energy, mining, and technology. With a passion for global trends, Paloma is particularly interested in the impact of technology like 3D printing on shaping our future.
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  • UMass and MIT Test Cold Spray 3D Printing to Repair Aging Massachusetts Bridge

    Researchers from the US-based University of Massachusetts Amherst, in collaboration with the Massachusetts Institute of TechnologyDepartment of Mechanical Engineering, have applied cold spray to repair the deteriorating “Brown Bridge” in Great Barrington, built in 1949. The project marks the first known use of this method on bridge infrastructure and aims to evaluate its effectiveness as a faster, more cost-effective, and less disruptive alternative to conventional repair techniques.
    “Now that we’ve completed this proof-of-concept repair, we see a clear path to a solution that is much faster, less costly, easier, and less invasive,” said Simos Gerasimidis, associate professor of civil and environmental engineering at the University of Massachusetts Amherst. “To our knowledge, this is a first. Of course, there is some R&D that needs to be developed, but this is a huge milestone to that,” he added.
    The pilot project is also a collaboration with the Massachusetts Department of Transportation, the Massachusetts Technology Collaborative, the U.S. Department of Transportation, and the Federal Highway Administration. It was supported by the Massachusetts Manufacturing Innovation Initiative, which provided essential equipment for the demonstration.
    Members of the UMass Amherst and MIT Department of Mechanical Engineering research team, led by Simos Gerasimidis. Photo via UMass Amherst.
    Tackling America’s Bridge Crisis with Cold Spray Technology
    Nearly half of the bridges across the United States are in “fair” condition, while 6.8% are classified as “poor,” according to the 2025 Report Card for America’s Infrastructure. In Massachusetts, about 9% of the state’s 5,295 bridges are considered structurally deficient. The costs of restoring this infrastructure are projected to exceed billion—well beyond current funding levels. 
    The cold spray method consists of propelling metal powder particles at high velocity onto the beam’s surface. Successive applications build up additional layers, helping restore its thickness and structural integrity. This method has successfully been used to repair large structures such as submarines, airplanes, and ships, but this marks the first instance of its application to a bridge.
    One of cold spray’s key advantages is its ability to be deployed with minimal traffic disruption.  “Every time you do repairs on a bridge you have to block traffic, you have to make traffic controls for substantial amounts of time,” explained Gerasimidis. “This will allow us toon this actual bridge while cars are going.”
    To enhance precision, the research team integrated 3D LiDAR scanning technology into the process. Unlike visual inspections, which can be subjective and time-consuming, LiDAR creates high-resolution digital models that pinpoint areas of corrosion. This allows teams to develop targeted repair plans and deposit materials only where needed—reducing waste and potentially extending a bridge’s lifespan.
    Next steps: Testing Cold-Sprayed Repairs
    The bridge is scheduled for demolition in the coming years. When that happens, researchers will retrieve the repaired sections for further analysis. They plan to assess the durability, corrosion resistance, and mechanical performance of the cold-sprayed steel in real-world conditions, comparing it to results from laboratory tests.
    “This is a tremendous collaboration where cutting-edge technology is brought to address a critical need for infrastructure in the commonwealth and across the United States,” said John Hart, Class of 1922 Professor in the Department of Mechanical Engineering at MIT. “I think we’re just at the beginning of a digital transformation of bridge inspection, repair and maintenance, among many other important use cases.”
    3D Printing for Infrastructure Repairs
    Beyond cold spray techniques, other innovative 3D printing methods are emerging to address construction repair challenges. For example, researchers at University College Londonhave developed an asphalt 3D printer specifically designed to repair road cracks and potholes. “The material properties of 3D printed asphalt are tunable, and combined with the flexibility and efficiency of the printing platform, this technique offers a compelling new design approach to the maintenance of infrastructure,” the UCL team explained.
    Similarly, in 2018, Cintec, a Wales-based international structural engineering firm, contributed to restoring the historic Government building known as the Red House in the Republic of Trinidad and Tobago. This project, managed by Cintec’s North American branch, marked the first use of additive manufacturing within sacrificial structures. It also featured the installation of what are claimed to be the longest reinforcement anchors ever inserted into a structure—measuring an impressive 36.52 meters.
    Join our Additive Manufacturing Advantageevent on July 10th, where AM leaders from Aerospace, Space, and Defense come together to share mission-critical insights. Online and free to attend.Secure your spot now.
    Who won the2024 3D Printing Industry Awards?
    Subscribe to the 3D Printing Industry newsletterto keep up with the latest 3D printing news.
    You can also follow us onLinkedIn, and subscribe to the 3D Printing Industry Youtube channel to access more exclusive content.
    Featured image shows members of the UMass Amherst and MIT Department of Mechanical Engineering research team, led by Simos Gerasimidis. Photo via UMass Amherst.
    #umass #mit #test #cold #spray
    UMass and MIT Test Cold Spray 3D Printing to Repair Aging Massachusetts Bridge
    Researchers from the US-based University of Massachusetts Amherst, in collaboration with the Massachusetts Institute of TechnologyDepartment of Mechanical Engineering, have applied cold spray to repair the deteriorating “Brown Bridge” in Great Barrington, built in 1949. The project marks the first known use of this method on bridge infrastructure and aims to evaluate its effectiveness as a faster, more cost-effective, and less disruptive alternative to conventional repair techniques. “Now that we’ve completed this proof-of-concept repair, we see a clear path to a solution that is much faster, less costly, easier, and less invasive,” said Simos Gerasimidis, associate professor of civil and environmental engineering at the University of Massachusetts Amherst. “To our knowledge, this is a first. Of course, there is some R&D that needs to be developed, but this is a huge milestone to that,” he added. The pilot project is also a collaboration with the Massachusetts Department of Transportation, the Massachusetts Technology Collaborative, the U.S. Department of Transportation, and the Federal Highway Administration. It was supported by the Massachusetts Manufacturing Innovation Initiative, which provided essential equipment for the demonstration. Members of the UMass Amherst and MIT Department of Mechanical Engineering research team, led by Simos Gerasimidis. Photo via UMass Amherst. Tackling America’s Bridge Crisis with Cold Spray Technology Nearly half of the bridges across the United States are in “fair” condition, while 6.8% are classified as “poor,” according to the 2025 Report Card for America’s Infrastructure. In Massachusetts, about 9% of the state’s 5,295 bridges are considered structurally deficient. The costs of restoring this infrastructure are projected to exceed billion—well beyond current funding levels.  The cold spray method consists of propelling metal powder particles at high velocity onto the beam’s surface. Successive applications build up additional layers, helping restore its thickness and structural integrity. This method has successfully been used to repair large structures such as submarines, airplanes, and ships, but this marks the first instance of its application to a bridge. One of cold spray’s key advantages is its ability to be deployed with minimal traffic disruption.  “Every time you do repairs on a bridge you have to block traffic, you have to make traffic controls for substantial amounts of time,” explained Gerasimidis. “This will allow us toon this actual bridge while cars are going.” To enhance precision, the research team integrated 3D LiDAR scanning technology into the process. Unlike visual inspections, which can be subjective and time-consuming, LiDAR creates high-resolution digital models that pinpoint areas of corrosion. This allows teams to develop targeted repair plans and deposit materials only where needed—reducing waste and potentially extending a bridge’s lifespan. Next steps: Testing Cold-Sprayed Repairs The bridge is scheduled for demolition in the coming years. When that happens, researchers will retrieve the repaired sections for further analysis. They plan to assess the durability, corrosion resistance, and mechanical performance of the cold-sprayed steel in real-world conditions, comparing it to results from laboratory tests. “This is a tremendous collaboration where cutting-edge technology is brought to address a critical need for infrastructure in the commonwealth and across the United States,” said John Hart, Class of 1922 Professor in the Department of Mechanical Engineering at MIT. “I think we’re just at the beginning of a digital transformation of bridge inspection, repair and maintenance, among many other important use cases.” 3D Printing for Infrastructure Repairs Beyond cold spray techniques, other innovative 3D printing methods are emerging to address construction repair challenges. For example, researchers at University College Londonhave developed an asphalt 3D printer specifically designed to repair road cracks and potholes. “The material properties of 3D printed asphalt are tunable, and combined with the flexibility and efficiency of the printing platform, this technique offers a compelling new design approach to the maintenance of infrastructure,” the UCL team explained. Similarly, in 2018, Cintec, a Wales-based international structural engineering firm, contributed to restoring the historic Government building known as the Red House in the Republic of Trinidad and Tobago. This project, managed by Cintec’s North American branch, marked the first use of additive manufacturing within sacrificial structures. It also featured the installation of what are claimed to be the longest reinforcement anchors ever inserted into a structure—measuring an impressive 36.52 meters. Join our Additive Manufacturing Advantageevent on July 10th, where AM leaders from Aerospace, Space, and Defense come together to share mission-critical insights. Online and free to attend.Secure your spot now. Who won the2024 3D Printing Industry Awards? Subscribe to the 3D Printing Industry newsletterto keep up with the latest 3D printing news. You can also follow us onLinkedIn, and subscribe to the 3D Printing Industry Youtube channel to access more exclusive content. Featured image shows members of the UMass Amherst and MIT Department of Mechanical Engineering research team, led by Simos Gerasimidis. Photo via UMass Amherst. #umass #mit #test #cold #spray
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    UMass and MIT Test Cold Spray 3D Printing to Repair Aging Massachusetts Bridge
    Researchers from the US-based University of Massachusetts Amherst (UMass), in collaboration with the Massachusetts Institute of Technology (MIT) Department of Mechanical Engineering, have applied cold spray to repair the deteriorating “Brown Bridge” in Great Barrington, built in 1949. The project marks the first known use of this method on bridge infrastructure and aims to evaluate its effectiveness as a faster, more cost-effective, and less disruptive alternative to conventional repair techniques. “Now that we’ve completed this proof-of-concept repair, we see a clear path to a solution that is much faster, less costly, easier, and less invasive,” said Simos Gerasimidis, associate professor of civil and environmental engineering at the University of Massachusetts Amherst. “To our knowledge, this is a first. Of course, there is some R&D that needs to be developed, but this is a huge milestone to that,” he added. The pilot project is also a collaboration with the Massachusetts Department of Transportation (MassDOT), the Massachusetts Technology Collaborative (MassTech), the U.S. Department of Transportation, and the Federal Highway Administration. It was supported by the Massachusetts Manufacturing Innovation Initiative, which provided essential equipment for the demonstration. Members of the UMass Amherst and MIT Department of Mechanical Engineering research team, led by Simos Gerasimidis (left, standing). Photo via UMass Amherst. Tackling America’s Bridge Crisis with Cold Spray Technology Nearly half of the bridges across the United States are in “fair” condition, while 6.8% are classified as “poor,” according to the 2025 Report Card for America’s Infrastructure. In Massachusetts, about 9% of the state’s 5,295 bridges are considered structurally deficient. The costs of restoring this infrastructure are projected to exceed $190 billion—well beyond current funding levels.  The cold spray method consists of propelling metal powder particles at high velocity onto the beam’s surface. Successive applications build up additional layers, helping restore its thickness and structural integrity. This method has successfully been used to repair large structures such as submarines, airplanes, and ships, but this marks the first instance of its application to a bridge. One of cold spray’s key advantages is its ability to be deployed with minimal traffic disruption.  “Every time you do repairs on a bridge you have to block traffic, you have to make traffic controls for substantial amounts of time,” explained Gerasimidis. “This will allow us to [apply the technique] on this actual bridge while cars are going [across].” To enhance precision, the research team integrated 3D LiDAR scanning technology into the process. Unlike visual inspections, which can be subjective and time-consuming, LiDAR creates high-resolution digital models that pinpoint areas of corrosion. This allows teams to develop targeted repair plans and deposit materials only where needed—reducing waste and potentially extending a bridge’s lifespan. Next steps: Testing Cold-Sprayed Repairs The bridge is scheduled for demolition in the coming years. When that happens, researchers will retrieve the repaired sections for further analysis. They plan to assess the durability, corrosion resistance, and mechanical performance of the cold-sprayed steel in real-world conditions, comparing it to results from laboratory tests. “This is a tremendous collaboration where cutting-edge technology is brought to address a critical need for infrastructure in the commonwealth and across the United States,” said John Hart, Class of 1922 Professor in the Department of Mechanical Engineering at MIT. “I think we’re just at the beginning of a digital transformation of bridge inspection, repair and maintenance, among many other important use cases.” 3D Printing for Infrastructure Repairs Beyond cold spray techniques, other innovative 3D printing methods are emerging to address construction repair challenges. For example, researchers at University College London (UCL) have developed an asphalt 3D printer specifically designed to repair road cracks and potholes. “The material properties of 3D printed asphalt are tunable, and combined with the flexibility and efficiency of the printing platform, this technique offers a compelling new design approach to the maintenance of infrastructure,” the UCL team explained. Similarly, in 2018, Cintec, a Wales-based international structural engineering firm, contributed to restoring the historic Government building known as the Red House in the Republic of Trinidad and Tobago. This project, managed by Cintec’s North American branch, marked the first use of additive manufacturing within sacrificial structures. It also featured the installation of what are claimed to be the longest reinforcement anchors ever inserted into a structure—measuring an impressive 36.52 meters. Join our Additive Manufacturing Advantage (AMAA) event on July 10th, where AM leaders from Aerospace, Space, and Defense come together to share mission-critical insights. Online and free to attend.Secure your spot now. Who won the2024 3D Printing Industry Awards? Subscribe to the 3D Printing Industry newsletterto keep up with the latest 3D printing news. You can also follow us onLinkedIn, and subscribe to the 3D Printing Industry Youtube channel to access more exclusive content. Featured image shows members of the UMass Amherst and MIT Department of Mechanical Engineering research team, led by Simos Gerasimidis (left, standing). Photo via UMass Amherst.
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