The surfaces of my printed parts using ABS plastic look rough and uneven.
What methods can I use to achieve a smoother finish for my for 3D-printed objects?
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Acetone can be used to smooth ABS.
The left has been smoothed by an acetone bath and the right is the original model. (Image credit: Andrew Sink)
Take note: acetone is dangerous to breathe in, so work in a well ventilated area. It is also flammable.
This method involves suspending the model in a glass jar of boiling acetone that is heated up by a pot of boiling water.
See here for a step-by-step guide with pictures.
This method elevating the model in a glass jar of acetone that is heated up by the printer's heatbed.
See here for an example.