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CADD-1 Lesson 7
UNIT 20, 21, & 27 - Text and Dimensioning Skills
| Term or Command | Description |
|---|---|
| DTEXT command | Creates Single Line Text ( Each line is an entity) |
| MTEXT command | Create multiline text (Each paragraph is an entity) |
| DDEDIT command | Text editor - revises text on an existing drawing. |
| %%C | Draws a Diameter symbol when typing text. |
| %%D | Draws a Degree symbol when typing text. |
| %%P | Draws a Tolerance symbol when typing text. |
| %%U | Underlines text when typing text. |
| Capital Letters | What all text should be typed with. |
| CL | Centerline |
| DIA | Diameter |
| mm | Millimeters |
| TOL | Tolerance |
| CHAM | Chamfer |
| NOM | Nominal |
| AL | Aluminum |
| DEG | Degree |
| IN | Inches |
| REF | Reference |
| R | Radius |
| CRS | Cold Rolled Steel |
| TYP | Typical |
| OD | Outside Diameter |
| ID | Inside Diameter |
| NTS | Not to scale |
| Linear Dimension | Straight Line dimension |
| Dimension Line | Shows where a measurement begins and ends. |
| Aligned System | All dimension text & notes are in line with the dimension line and read from right to left. |
| Unidirectional System | All Dimension text is horizontal and read from the bottom of the sheet. |
| Dimensions | Another name for size description. |
| Three Basics kinds of Dimensions | Overall, Location, and Size Dimensions |
| Extension Lines | Thin lines that extend the lines or edges of a view. |
| Leaders | Thin lines drawn from a note or dimension with an arrow pointing to the place where it applies. |
| Associative Dimension | Updates dimension text when you modify the dimensioned object. |
| Angular Dimension | genrates a dimension arc to show the angle between two non-parallel lines. |
| Diameter | dimensions the diameter. (Use for full circles) |
| Radius | Dimensions a circle or arc (Use primararily for Fillets) |
| Baseline | allows you to continue from the first extension line of the previous dimension |
| Continuous | allows you to continue from the second extension line of the previous dimension |
| Center | Draws the center mark or line of an arc or circle. |
| TEDIT command | allows you to move the text of an associative dimension. |
| UPDATE | changes the associative dimension to reflect the current variables, styles, text font, units, and/or precision. |
| CBORE | Counterbore |
| MAX | Maximum |
| CSK | Countersink |
| BEV | Bevel |
| MATL | Material |
| Reference point | The point at which a linear dimension begins. |
| Dual Dimensions | Customary Units and Metric Equivalent shown in the same dimension. |