MakerGeeks would like to help you find what ever it is you need for your 3D Printer design. Now they have released a video on a new colour-changing 1.75mm PLA filament – Thermochrome Grey EcoPLA™ by FormFutura. Below 29° C the filament has an opaque anthracite grey colour, but heat it up above and it will change into a transparent color. For more details go here but before that you can check the video below to see how it works.
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