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Advise on Dremel accessories for polishing & abrading 3D printed objects?

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PLA only. You need to be careful with a Dremel as it will generate heat. I have only used a Dremel once, with the paper based abrading insert on a surface that had support scarring. It certainly smoothed the surface (required) but the end result was not pretty (not a problem).

I use one technique which gives excellent results. Typical reason would be to smooth off artefacts from corners. I use very high grade files, from the jewellery industry, and lightly, and I do mean lightly, file them off. This will depend on the filament but using black PLA as an example - the filing will remove the sheen from the plastic. I then apply with a rag some Baby oil over the area which makes it nice and shiny again.


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