World’s First 3D Printed Ship Propeller Receives Class Approval – gCaptain
▻http://gcaptain.com/worlds-first-3d-printed-ship-propeller-receives-class-approval
Dutch shipbuilding group Damen has received class approval for the world’s first 3D printed ship propellor.
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The propeller itself is made from 298 layers of 3D printed Nickel Aluminium Bronze alloy.