This is a post on the Tri Star Site.

The pressure is on aerospace companies to reduce the weight of their planes while ensuring safety and quality. Manufacturers are increasingly turning to new materials and technologies to lighten the load, including rapidly evolving 3D printing and additive manufacturing solutions. 3D printing was initially seen as a way for aerospace, automotive and other manufacturers to create rapid prototypes or molds. Now, new additive manufacturing techniques and materials are making it possible to create lightweight end-use parts. While many of these parts are for interior areas of planes that are not subject to extreme stresses, printed parts are working their way into vehicle bodies, as well as being incorporated into jet and rocket engines. Dyna-Empire Turns to Creo to Reduce Component Weight

Designing lighter-weight airplane parts is one thing; manufacturing them presents several challenges and 3D printing is not the only solution. When one major aerospace original equipment manufacturer (OEM) redesigned the braces used to support the passenger cabin floor on its planes, they did so by designing in pockets and curves, and specifying that the parts be built in titanium.

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