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It's like that Ninja Turtles branded mutagenic ooze that was supposed to turn me into a mutant ninja, but it was actually just cornstarch, water, and food color
by zardo 9y ago
It's like that Ninja Turtles branded mutagenic ooze that was supposed to turn me into a mutant ninja, but it was actually just cornstarch, water, and food coloring.
You need a similar level of naivete to think a warm plastic extruding machine can print metal.
- olegkikin 9y agoI don't see why it can't, at least with low melting point metals like tin and lead. Aluminium is tougher, you need 660°C, but why do you think that's impossible to achieve on a regular 3D printer with some modifications?
- marcosdumay 9y agoIt's not the temperature that is the problem (at least not until you get into copper or steel). The problem is that molten metal is a liquid. When you melt a filament, the metal will flow away into the thing you are printing, and then keep flowing until it cools down. Extrusion printers can only work with viscous fluids that must be pushed out of the printing head and will stay in place once deposed at the working piece.
- olegkikin 9y agoHere are people printing in tin and bismuth: https://www.youtube.com/watch?v=aSzz7jWRlkQ https://www.youtube.com/watch?v=aSzz7jWRlkQ
- marcosdumay 9y agoIndeed, that is interesting. In retrospect, yes, solder has some good potential for printing material.