AutoCAD and Its Applications Advanced – Reference Material

Drafting Symbols
Symbols provide a “common language” for drafters all over the world. However, symbols can be meaningful only if they are created according to the relevant standards or conventions. This document describes and illustrates common dimensioning, GD&T, architectural, piping, and electrical symbols.
Standard Dimensioning Symbols
The size of dimensioning symbols varies with text size, but it should be consistent with the height of the text. In the following illustration, h = text height.

Click Here To See Simplified Bar Bending Schedule For Two-Way Slabs: A Practical Guide For Engineers