CAD Forum discussion (EN) : Drafting Symbol -A- or -B-

CAD Forum discussion (EN) : Drafting Symbol -A- or -B- https://www.cadforum.cz/forum_en/ Sun, 12 Apr 2026 04:58:59 +0000 Thu, 22 May 2008 11:26:24 +0000 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 12.04 360 https://www.cadforum.cz/forum_en/RSS_post_feed.asp?TID=755 <![CDATA[CAD Forum discussion (EN)]]> https://www.cadforum.cz/forum_en/forum_images/web_wiz_forums.png https://www.cadforum.cz/forum_en/ <![CDATA[Drafting Symbol -A- or -B- : Maybe this can you help. Datum...]]> https://www.cadforum.cz/forum_en/forum_posts.asp?TID=755&PID=1972&title=drafting-symbol-a-or-b#1972 Author: Arben.Allaraj
Subject: 755
Posted: 22.May.2008 at 11:26

Maybe this can you help.

Datum - A theoretically exact plane, point or axis from which a dimensional measurement is made.

Datum Feature - A part feature that contacts a datum.

]]> Thu, 22 May 2008 11:26:24 +0000 https://www.cadforum.cz/forum_en/forum_posts.asp?TID=755&PID=1972&title=drafting-symbol-a-or-b#1972 <![CDATA[Drafting Symbol -A- or -B- : I am trying to read a CAD drawing...]]> https://www.cadforum.cz/forum_en/forum_posts.asp?TID=755&PID=1971&title=drafting-symbol-a-or-b#1971 Author: nici daniels
Subject: 755
Posted: 21.May.2008 at 20:34

I am trying to read a CAD drawing of a tool and there are two places where -A- and -B- are written, I'm not sure what they mean. I was hoping someone here could tell me. Thank you for your help.

Nici
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