Melting plastic powder together, one layer at a time

Here’s an interesting development in the world of 3D printers: A rapid prototyping machine that melts plastic powder together to create objects with extremely good resolution

The Blueprinter works by drawing a 0.1 mm thick layer of plastic powder over the build platform. After that, a very hot needle-shaped probe melts the plastic together. This process continues at a rate of 10mm an hour on the z axis, and a very precise plastic model eventually appears in the powder.

There is no price ( or solid release date ) for the Blueprinter, but this 3ders.org article from earlier this year tells us the price for the machine will be €9,995, with a material cost of €49 per kg. Pricey, yes, but seeing as how the RepRap community already has the techniques behind melting plastic down pat, it might now be too hard to build your own plastic sintering printer.

If you know of any current projects or builds that are trying to emulate this plastic powder melting technique, drop us a note on the tip line. We’d love to see a version of this printer up and running. Until then, you can check out the render showing a rendered Blueprinter in action, along with a demo of a plastic clip printed on this sintering printer.

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