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Two shallow triangles distinguishing a cone from a wedge.
Also known as: Conical taper symbol, Slope symbol
A shallow triangle before a ratio specifies a taper or a slope, and the two are different: taper is measured on a conical feature across its whole diameter, slope on a flat one across a single face. The symbols differ only in whether the triangle is symmetric.
Specify a conical taper or a flat slope as a ratio, drawn as a shallow triangle before the value.
Contexts: Technical drawing
Are distinguished by the triangle's form: a symmetric triangle marks a taper measured across a diameter, an asymmetric one a slope measured on a single face.
Contexts: Technical drawing
A long shallow triangle pointing right, either symmetric about its axis or with one flat side, set before a ratio.