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Dimensioning your drawing - Understanding dimension styles and variables

Controlling dimension format

You can control the way dimension text and arrowheads are placed in relation to the dimension lines. Any changes you make affect the current dimension style. The image tile on the right side of the Dimension Settings dialog box shows the appearance of dimensions based on the current dimension style settings.

The program determines whether both dimension text and arrowheads will fit between the extension lines by comparing the distance between the extension lines to the size of the dimension text, the size of the arrowheads, and the amount of space required around dimension text. The program applies the best fit method based on the available space. If possible, both the dimension text and arrowheads are placed between the extension lines. If both will not fit between the extension lines, you can determine how text and arrowheads are placed using the Fit Method settings on the Dimension Settings dialog box.

 

 

 
 
 

Text and arrowheads placed outside extension lines.

 

Text placed between extension lines and arrowheads outside extension lines.

 

Text placed above dimension line with a leader connecting the text to the dimension line.

To format dimensions
  1. Do one of the following:
  2. Choose Dimension > Dimension Style.
  3. On the Dimension toolbar, click the Dimension Style tool (
    4. ).
  • Type setdim and then press Enter.
  • Click the Format tab.
  • Click the Fit option that you want.
  • Click OK.
  • NOTE You can also specify how dimension text and arrows are arranged using the DIMATFIT system variable. You can specify how dimension text is moved using the DIMTMOVE system variable.
 
 
  1. Click to place both text and arrowheads inside the extension lines when both do not automatically fit between them.
  2. Click to place arrowheads only between extension lines and text outside extension lines when both do not fit between them.
  3. Click to fit either text or arrowheads between extension lines when both do not fit between them.
  4. Click to automatically determine the best fit method.
  1. Click to place text beside the dimension line with a leader when both text and arrowheads do not fit between the extension lines.
  2. Click to place text above the dimension line with a leader connecting the text to the dimension line when both text and arrowheads do not fit between the extension lines.
  3. Click to place text above the dimension line without a leader when both text and arrowheads do not fit between the extension lines.
  4. Type or select the distance around the dimension text.