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May 15

The Speed of Light: How 3D Printing Helped Lamborghini Design the Aventador

Lamborghini’s new Aventador flagship model two-seat sports car was the Top Gear Car of the Year for 2011. It accelerates from 0 to 60 mph in 2.9 seconds, has a top speed of about 230 mph, and costs just under $400,000. The Aventador is 9% more powerful, 20% more fuel efficient, and 6% lighter than the previous generation Murciélago - and it wouldn't be possible without the use of 3D printing during the prototyping stage.

The key to the Aventador’s extreme performance is its carbon-fiber reinforced composite (CFRC) monocoque, which makes up the core of the integrated bodychassis. The monocoque is a single CFRC shell 81 in. long x 74.5 in. wide x 40 in. high, the largest CFRC component on any production automobile. The monocoque weighs 324.5 pounds, and the entire body and chassis weigh an incredibly light 505 pounds.

High Stakes

Automobili Lamborghini S.P.A. is owned by Audi, part of the Volkswagen Group together with other brands such as Porsche, Bugatti, and Bentley. The Automobili Lamborghini Advanced Composite Structures Laboratory — or Lamborghini Lab for short — at the University of Washington partnered with Lamborghini to provide detailed design, quality control, process improvement, and mechanical testing for the CRFC components that make up 50% of the Aventador by weight. Many physical prototypes were required to validate assembly fit, verify efficient load paths, and identify and correct issues that were invisible on the computer screen.

“We had to get the design right the first time because the tooling used to produce just the monocoque cost several million dollars,” said Paolo Feraboli, professor of aircraft materials and structures at the University of Washington and director of the Lamborghini Lab. If they were to use the traditional approach to building a prototype of the monocoque’s inner tub would have been to make scaled tooling and lay up the prototype using CFRC. It would have taken an estimated four months, and $40,000, to build the tooling and lay up the scaled part.

According to Feraboli, “We were interested to see if there was a rapid prototyping method that could produce parts tough enough to withstand the stresses of assembly and handling. We were also interested in building rapid tooling for laying up smaller parts, which requires mechanical strength plus high temperature performance.” After exploring all options, Feraboli decided on utilizing the Fortus line of 3D printers from Stratasys. In addition to exceeding the physical properties required for this project, producing prototypes with additive manufacturing afforded tremendous savings throughout the entire process.



Lead Time

Traditional Process


120 Days

FDM Technology


20 Days


$36, 910 (92%)

100 Days (83%)


These 1/6 scale FDM prototypes helped Lamborghini Lab determine fit and improve load paths.

The Fortus build envelope was large enough to produce a 1/6 scale model of the body and chassis in one piece, which allowed the Lamborghini Lab to build complete 1/6 scale prototypes of the body and chassis in two months, including printing and assembling the parts. The build time of the inner tub was 6.3 days and material cost was $560. Total build and processing time including support removal, sanding, painting, etc. was 20 days. Total cost including materials, labor and machine time was $3,000.

“The Fortus was ideal based on its versatility to print high-strength, high-resolution models in industrial-grade thermoplastics, and custom composite tools from high-performance engineered plastics, at a fraction of the cost when compared to traditional manufacturing methods”

Many Iterations

“The many iterations of prototypes produced during the design process were instrumental in providing better fit during assembly and improved load paths,” Feraboli said. Automobili Lamborghini S.P.A. in Sant’Agata Bolognese, Italy also owns two Stratasys machines, a Fortus 3D Production System and a Dimension 3D printer. Maurizio Reggiani, Lamborghini senior vice president and chief technology officer, said: “We made extensive use of FDM to make functional prototypes for the newly designed seven-speed transmission for the Aventador; offering 50 millisecond shift times, it is the fastest on any production vehicle.”

The single-clutch transmission, based on the concept of the independent shifting rod, is a signature feature of the Aventador, along with the CFRC monocoque chassis, and push-rod suspension. Shortly after the Aventador was unveiled, Lamborghini announced that the company had already sold out the first year’s production. “The Aventador is the first step,” Feraboli said; “Carbon fiber is not just for performance cars. It can improve gas mileage and reduce emissions in any automobile. We are looking at using more and more carbon fiber for higher production vehicles for the group.”

- Stratasys Staff

To learn about how additive manufacturing can improve the prototyping process for you, additional content, and more, visit us at www.cimetrixsolutions.com