
Finish a 3D Printed Synthesizer Knob Pointer Notch
To finish 3D printed synthesizer knob pointer notch, identify a fine strand or layer seam interrupting the visible pointer notch and protect the notch position, knob face contour, shaft bore and the visual alignment reference. Begin with a sharp micro scraper used under magnification along the existing notch; use a tiny rotary point for a single deep remnant only after the pointer line is marked only for access that the hand method cannot provide. Track pointer orientation, bore protection, lighting angle, debris removal and comparison with the panel reference, stop if the notch grows beyond its marked line, the face develops a flat spot or dust enters the bore, and accept the part only when the pointer remains crisp, the knob seats on its test shaft and its orientation can be read at the intended viewing distance.
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