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A comment on Programmable Filament Gives Even Simple 3D Printers Multi-Material Capabilities. Parent comment

Re:Programmable Filament Gives Even Simple 3D Printers Multi... by bbojan on Saturday October 31, 2020 @07:42PM (#24956181)
I believe you only need to swap the filament once for each different filament material that will be used. That's the whole point of the article.
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