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Old 05-28-2017, 02:58 PM   #22 (permalink)
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Mercedes-Benz have been using hemp particle board in their door panels for years.

Bamboo chassis:

Howard Hughes:

FluidFM 3Dprinter is the world’s first 3D printer capable of delivering sub-micron resolution in direct metal printing, while offering scalability and good prospects in both production cost and speed.
Printing metal parts as a skin over an internal egg-crate reduces the materials, material cost, weight and the cost of shaping the material. They can print multi-materials, titanium and tool steel.
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