
Which rotary tool bits work for 3D print post-processing?
Choose rotary-tool bits for 3D print post-processing by the job they must perform. Cutting and abrasive accessories remove material differently; brushes clean differently from polishing media. Identify the polymer, defect, access and protected geometry, then trial the accessory on scrap at a conservative setting. Short contact and frequent inspection matter more than a large accessory count, because one wrong bit can quickly change fit.
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