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Note Callouts and Flags

Note Callouts and Flags

Note Callouts and Flags

(OP)
Is there a standard that specifies whether note references should have a triangle or square around them?

RE: Note Callouts and Flags

Nothing that I'm aware of.  The goal for all drawings is to achieve consistent, unambiguous clarity and minimize confusion.

Different companies use different "flags".  The company I'm currently with prefers the upright ('point' upward) equilateral triangle.  Some rotate that same triangle 90 deg CW ('point' to the right), others use a hex or a five sided flag (somewhat pennant shaped).

The square can be confused with other symbols or notations such as note outlines (which some companies use), basic dimensions (esp. on metric drawings) or even the square symbol that preceeds a dimension (sometimes used in GD&T).

RE: Note Callouts and Flags

(OP)
Thanks for the info.

RE: Note Callouts and Flags

Paragraph 4.26.6 Drawing Notes - Contents subparagraph f of ASME Y14.100-2000 allows for rectangles, hexagons or triangles

TTFN



RE: Note Callouts and Flags

(OP)
Thanks.  I don't have that standard but I've been thinking about picking it up.  Looks like it's a must have.

John

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