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Fused deposition modeling (FDM) may be the easiest and cheapest way to get into 3D printing, but it is not without its limitations.

It can take a really long time to finish a print with FDM , and it’s almost impossible to print designs with very fine details.

Due to the process of laying down molten filament layer by layer, FDM prints also naturally come out with layer lines. These imperfections are simply unacceptable for professional-grade work. If you’re working with ABS, then the good news is that you can easily smooth your finished print with just one easily available ingredient: acetone.

Why is acetone uniquely suited to ABS? What’s the process for smoothing ABS prints using acetone? How does acetone smooth ABS prints? If you put a piece of ABS filament in a container of acetone and give it a good stir, you’ll find that the filament disappears […]