Cool Parts

Polymer

Airless Basketball Shows Promise of 3D Printed Lattices: The Cool Parts Show Bonus

Successfully matching the performance of a standard basketball demonstrates the control possible over the mechanical properties of digital materials.

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Design

3D Printed Lattices Replace Foam for Customized Helmet Padding: The Cool Parts Show #62

“Digital materials” resulting from engineered flexible polymer structures made through additive manufacturing are tunable to the application and can be tailored to the head of the wearer.

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Materials

3D Printed Preforms Improve Strength of Composite Brackets: The Cool Parts Show Bonus

On this episode, we look at a pin bracket for the overhead bin of an airplane made in two composite versions: one with continuous fiber 3D printed reinforcements plus chopped fiber material, and one molded from chopped fiber alone.

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Lightweighting

3D Printed "Evolved Structures" for NASA Exoplanet Balloon Mission: The Cool Parts Show #61

Generative design creates stiff, lightweight brackets for EXCITE mission monitoring planets orbiting other stars. The Cool Parts Show visits Goddard Space Flight Center.

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Production

VOTE in The Cool Parts Showcase!

Your votes will decide the winners of our contest for the coolest 3D printed parts. Learn about the finalists and then cast your vote in each category: Best Bespoke Solution, Best Production Part and Best Proof of Concept. 

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SLS

More Affordable Suture Anchors 3D Printed from PEKK: The Cool Parts Show #60

Selective laser sintering (SLS) of polyether ketone ketone (PEKK) is being used to produce medical implants that are more cost effective and perform better than their conventional counterparts. We highlight fasteners known as suture anchors in this episode of The Cool Parts Show. 

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Micro Robot Gripper 3D Printed All at Once, No Assembly Required: The Cool Parts Show #59

Fine control over laser powder bed fusion achieves precise spacing between adjoining moving surfaces. The Cool Parts Show looks at micro 3D printing of metal for moving components made in one piece.

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Safety 

Durable, Waterproof 3D Printed Casts: The Cool Parts Show #58

Recovering from an injury with an ActivArmor cast means that patients can exercise, bathe and live life while they heal. We get a firsthand look at the solution in this episode of The Cool Parts Show. 

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3D Printed Cutting Tool for Large Transmission Part: The Cool Parts Show Bonus

A boring tool that was once 30 kg challenged the performance of the machining center using it. The replacement tool is 11.5 kg, and more efficient as well, thanks to generative design.

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Cool Parts

3D Printed Metal Filters Protect Circuit Breakers from Explosion: The Cool Parts Show #57

New high-voltage circuit breakers from Schneider Electric make use of 3D printed metal filters to protect people and equipment in the event of an overload. Binder jetting provided both the geometric complexity and price point needed for these parts. 

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POW!
25+ Metal AM Powders
The Cool Parts Show