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nzo

Anyone here turned PLA scraps into powder form?

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You could manually file it, but anything mechanically that works at higher speeds (like grinding disks), or with more force, is likely to melt it. Even gentle drilling, or thread-making by hand, or cleaning edges with a dental drill (similar to a Dremel, but can work at lower speeds), do melt it. I have a big water-cooled grinding disk: this produces some particles (together with dust and debris from the disk itself), but it also melts the grinded part to some degree, thus creating fibrous blobs instead of powder. So the resulting powder is not usable as a product.

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