3D Printing of Liquid Metals at Room Temperature

is that a liquid metal at room temperature? So mercury? Or is it a hot reservoir of solder that's squeezed through a syringe?
 
If you're really good you can do with with solder! Which is what i thought they were doing, using a eutectic alloy (of which solder is one), which does not have a plastic stage, goes straight from liquid to solid.

I have made solder "wires" before, to do on the cheap PCB repair (proper way is to replace the trace with a copper wire, but if you are in a hurry, and it's low current you can just use solder. Also have made some solder "art" before.

While this is interesting, it is ultimately very limited in what it can do.

Now, if they were doing inert gas wire welding to form metal structures (like they do for plastic ones now), i'd be a hell of a lot more impressed!
 
very cool, printing out aluminum as mentioned in aforementioned hackaday writeup would make the possibilities with case modding endless
 
This seems to be a VERY slow process...they said the video was sped up 40-50x. What is it? 5 minutes per bubble? I like where this is going, but it certainly has a lot of work to go.
 
Somewhere, a Predator is demonstrating 3D printing a metal moustache onto a human head.
 
This seems to be a VERY slow process...they said the video was sped up 40-50x. What is it? 5 minutes per bubble? I like where this is going, but it certainly has a lot of work to go.

Seemed each bubble was 1 second to 0.5 seconds, so if you multiply that time by 40-50x, it would be 1 minute to 30 seconds per bubble. I agree that, it seems a bit slow but the degree of accuracy/scale it was working on seemed impressive. Bubbles 1/1000th the size of a penny.
 
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