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News Link • 3D Printing

Mataerial: a 3D printer that seemingly defies gravity

•, By Sean Hollister
 You might think that 3D printing is a mature technology, the way guns and pizzas and pieces of jet engines are popping out these days, but you haven't seen it all: a company called Mataerial has built a contraption that can print gravity-defying strands of material right onto a wall.
Where existing 3D printers deposit tiny beads of melted plastic (FDM), solidify resin with ultraviolet light (stereolithography), or fuse powered material with laser beams (SLS) to form a part, these technologies typically require a flat tray where the work is done. Not Metaerial: because the robot arm deposits a mix of thermoset polymers (the company's not saying which ones) that harden at the exact same time they're pushed out the tip of the extruder, it can appear to generate threads right out of thin air. The company claims its printer can even print an object in multiple colors simultaneously, by injecting colored dye mid-strand.

2 Comments in Response to

Comment by Powell Gammill
Entered on:

Oh that is so clever.

Comment by Ed Price
Entered on:

We're waiting for the tungsten "ink cartridge" that holds steel in its liquid state using a plasma arc, so that we can spray-print steel guns.

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