The last few times we've done slideshows on materials for 3D printing, at least a couple of the materials were recycled plastics. Since then, we've seen some new recycled materials, new recycling machines, and other news about recycling 3D-printed materials. So we've put them all together in one place.
One of the plastics recyclers is designed to work on the International Space Station to turn plastic waste into filament for NASA's zero-gravity 3D printers, currently in development (see the third slide). In other unusual news about recycling plastics for 3D printing, a Michigan Technological University team has invented a system for classifying plastics and a comprehensive recycling coding system that reflects the performance differences of different resins. The codes can be embedded in 3D-printed items so they can be more easily and usefully recycled for future use (see the fourth slide).
Click on the image below to start the slideshow:
To help reduce the amount of plastic waste, Dutch startup Refil has introduced its recycled Refilament for 3D printing. The Dashboard Black version, shown here, is made entirely from old car dashboards, door panels, and other ABS parts. A PET Translucent version is made from 90% recycled PET plastic bottles. The high-quality waste stream used for feedstock is compliant with both REACH and ROHS. The product won Best Development in Materials for 3D Printing at the recent 3D Printing Europe trade show. The 1.75 mm or 2.85 mm diameter filament comes on cardboard spools.
Microsoft, HP, Dassault, and other industry heavyweights in 3D printing have launched a new 3DP file format, 3MF. The consortium says the spec will more fully describe a 3D model and will be interoperable with multiple applications, platforms, services, and printers.
The current crop of military robots includes small, tank-like unmanned ground vehicles (UGVs); more specialized types like large autonomous vehicles; and both large and small winged robots, one carrying its own fuel cell.
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