"There's just something about a 3D model that stirs the passions in ways that a blueprint or computer file just can't ... 3D printing has become a distinct competitive advantage for us, and ultimately, a tool that significantly benefits our customers. Architectural designers think in spatial terms, and a 3D model helps bridge the gap between them and the engineers charged with bringing the design to reality. With a physical model, the engineers can see the concept in concrete terms and can easily imagine themselves in the 3D space." - Gita Monshizadeh, CAD Development Manager, Ramboll, Transport and Infrastructure Division
Landmark buildings, breathtaking bridges, efficient roadways and reliable public utilities serve as a convincing testament to the Ramboll Group's engineering vision. Communicating one's vision prior to winning a job, however, is another matter. This is one reason that Ramboll, a $577 million Nordic engineering consultancy, has adopted advanced 3D printing capabilities for all of its operations.
Ramboll operates an extensive international business offering full-service consultancy in infrastructure, telecommunications, building, health, industry, oil/gas, energy, environment, IT and management. The company earned record profits in 2005 and achieved a 98 percent customer satisfaction rating.
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Despite its successful track record, Ramboll faces aggressive competition for new business. From the start of a business relationship, the company must convincingly establish the advantages it can offer the client.
While Ramboll has always been proud of its engineers' design concepts, it's always been a separate task entirely to make the words, blueprints and pictures behind the designs vivid, memorable and compelling in the minds of prospective clients.
Full-color 3D Printing
Seeking powerful new ways to improve its competitive capabilities, the company in late 2004 identified 3D printing as a potential solution. From the start, Ramboll saw full color as an indispensable capability. That requirement made the evaluation process straightforward. Early in 2005, Ramboll invested in a ProJet 460 color Jet Printer, delivering high-definition, multi-color 3D printing.
The ProJet 460 colorfully and dynamically produces three-dimensional architectural and engineering models in shorter time and, in most cases, at far less cost than traditional handcrafting. Because of their fine, multi-colored detail, the models enable the company to vividly communicate its unique vision. The printer's ability to print image-files on surfaces gives the models a realistic and picturesque touch and is an especially important factor when presenting infrastructure projects. For example, Ramboll engineers can map textures such as brickwork onto a wall, or they can map aerial photos onto terrain models.
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These new capabilities are improving Ramboll's success at winning new projects. Shortly after purchasing the 3D Systems Color Jet printer, Ramboll competed for a high profile bridge project in its home country of Denmark. The company was able to faithfully depict special V-shaped abutments that consume less space and material than traditional vertical pillars. The model conveyed the concepts behind the innovation and helped Ramboll win the job.
"That's one example of how full-color 3D printing helps us win new jobs," says Gita Monshizadeh, CAD development manager for Ramboll's transport and infrastructure division. "We have more examples of similar success. 3D printing gives our prospective clients a good idea of our unique capabilities. We can create compelling presentations that give tangible substance to the superior Ramboll vision in full detail and vibrant color. The colors, the detail and the textures down to the seams on a model of a masonry wall establish our credibility immediately with the client and are quite convincing."
In addition to securing new business, 3D printing saves Ramboll money. For example, Ramboll recently needed a model of a 12-story apartment building and discovered that it requires just one-third of the expense to print the model in full color than to commission a model by hand. Then there is the sheer simplicity of 3D printing with the ProJet. Engineers can produce the model by printing directly from a digital design file produced by applications like Bentley Systems MicroStation® or Autodesk 3ds Max® software.
"It takes little or no effort to turn a design into a full-color physical model if you have a proper print scale," Monshizadeh says. "If your design is in 3D, you have what you need to make a 3D model. Sometimes you have to optimize the model so that the scaling factor allows printable elements, but in many instances, that's not a big effort. It's quite the opposite case to fabricate a handmade model, where essential fine detail can consume great amounts of production time. In other words, 3D printing lets us think more creatively and spatially when we work on a project. We can easily print different technical phase models for important comparison."
On another occasion, Ramboll needed to introduce a New York architect to the landscape around the planned Orestad district of Copenhagen, for which Ramboll has a multifaceted engineering contract. Rather than fly the architect to Denmark, Ramboll printed a 3D model of the landscape and took it to a meeting with the architect in New York. The 3D model provided the architect with a clear and concise vision of the landscape that was almost as helpful as if he had visited the site. A site visit would have been far more time-consuming for all parties involved, and the model will be handy for the architect's reference throughout the project.
Ramboll engineering teams can now work from physical models in three dimensions instead of 2D images on a computer screen. This difference was particularly helpful for a 12-member Ramboll team recently charged with the engineering work for a $25 million glass-domed elephant house at the Copenhagen Zoo designed by British architect Sir Norman Foster. The third dimension in the printed physical model promoted a gut-level understanding of what the engineering work would entail. "A full-color 3D model helps the team keenly understand the intent of the architect with every feature in context," says Monshizadeh.
Architectural designers think in spatial terms, and a 3D model helps bridge the gap between them and the engineers charged with bringing the design to reality. With a physical model, the engineers can see the concept in concrete terms and can easily imagine themselves in the 3D space. By improving our engineers' understanding we are improving their accuracy, and we are avoiding the time, cost and embarrassment of errors that are ultimately unnecessary," she says.
"Internally and externally, there's just something about a 3D model that stirs the passions in ways that a blueprint or computer file just can't," she says. "For this reason, 3D printing has become a distinct competitive advantage for us and, ultimately, a tool that significantly benefits our customers."