MIT lab amazing 3D printer.... using molten glass

siftbotsays...

Self promoting this video and sending it back into the queue for one more try; last queued Friday, August 21st, 2015 4:52pm PDT - promote requested by original submitter deathcow.

Xaielaosays...

Always fun to watch a fledgling technology expand. Polymer, glass, wood, even realistic imitation ivory imbibed with GPS trackers. Other researchers are trying to 3d-print aluminum.

zaustsays...

So to make it seamless would they need to up the ambient temperature plus the speed of the nozzle? Or could they just make the nozzle quick enough that the previous layer hadn't started to cool before the next one hit?

Asmosays...

I'd guess that it would cause warping as the structure got bigger, they need the previous layers to cool rapidly to prevent deformation (although the previous layer needs to be hot enough to get a good water tight bond). Coming up with the right temp so that it forms a seamless flat surface would be difficult without causing running.

Not to be "that guy" (okay, what the hell, I love being "that guy") but aside from arty stuff, light shades, the aforementioned ashtrays and perhaps some really funky vases/glasses, this really seems to be limited by the method of extrusion and the refraction caused by having so many curved surfaces throughout the piece.

zaustsaid:

So to make it seamless would they need to up the ambient temperature plus the speed of the nozzle? Or could they just make the nozzle quick enough that the previous layer hadn't started to cool before the next one hit?

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