Why does the 3D printer heat up? Wouldn’t the print melt? Shouldn’t it instead cool down so the print would freeze?
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The filament used to print is a solid plastic. The printer has to heat that up to melt it, and then place it down, and it uses the ambient air temperature to cool it back down so it can freeze again. If we wanted a 3D printer to use liquid water to 3D print out of ice, then it would be cold.
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