All left tapers are performed to the left of the curve (at the bottom of the feature) relative to the Primary Cut Direction, and all right tapers are performed to the right of the curve (at the bottom of the feature) relative to the Primary Cut Direction.
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Left — Sharp corners tapered into sharp corners (G29 on a Charmilles machine) and arcs tapered into conical corners (G28).
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Right — Sharp corners tapered into sharp corners and arcs tapered into conical corners.
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Rounded-Left — Sharp corners tapered into arcs (G28) and arcs tapered into conical corners (G28).
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Rounded-Right — Sharp corners tapered into arcs and arcs tapered into conical corners.
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ISO-Left — Arcs tapered into cylindrical corners (G29) and sharp corners tapered into sharp corners (G29).
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ISO-Right — Arcs tapered into cylindrical corners and sharp corners tapered into sharp corners.
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ISO/Rounded-Left — Arcs tapered into cylindrical corners (G29) and sharp corners tapered into arcs (G28).
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ISO/Rounded-Right — Arcs tapered into cylindrical corners and sharp corners tapered into arcs.