# Geometric Dimensioning and Tolerance [GD&T] Symbols

GD&T symbols are typically used by the manufacturing industry to delineate features of a drawing. HOOPS Visualize Desktop supports the symbols shown in the table below. More information on inserting GD&T symbols can be found in this section of the programming guide.

A list of supported GD&T symbols supported in ts3d font and their associated unicode hex values.

Symbol | Unicode hex value | GD&T symbol name
--- | --- | ---
| 0x2194 | Between
| 0x2197 | Circular runout
| 0x21A7 | Depth/Deep
| 0x2220 | Angularity
| 0x2225 | Parallelism
| 0x2300 | Diameter
| 0x2312 | Profile of a line
| 0x2313 | Profile of a surface
| 0x2316 | Position
| 0x2322 | Arc length
| 0x232D | Cylindricity
| 0x232F | Symmetry
| 0x2330 | Total runout
| 0x2332 | Conical taper
| 0x2333 | Slope
| 0x2334 | Counterbore
| 0x2335 | Countersink
| 0x23E4 | Straightness
| 0x23E5 | Flatness
| 0x24BB | Free state variations
| 0x24C1 | Least material condition
| 0x24C2 | Maximum material condition
| 0x24C5 | Projected tolerance zone
| 0x24C8 | Regardless of feature size
| 0x24C9 | Tangent plane
| 0x24CA | Unilateral
| 0x25A1 | Square
| 0x25CE | Concentricity
| 0x25EF | Circularity
| 0x27C2 | Perpendicularity
| 0xE400 | Statistical tolerance
| 0xE401 | Third angle projection

## Other Supported Symbols

A list of other supported symbols in ts3d font and their associated unicode hex values.

Symbol | Unicode hex value | Character name
--- | --- | ---
| 0x2192 |
| 0x2295 | circled plus
| 0x2296 | cirlced minus
| 0x2302 |
| 0x2302 |
| 0x24BA |
| 0x24C7 |
| 0x25B3 |
| 0x25CA |
| 0x25CB | white circle
| 0xE402 |

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