Alibre Design

Chapter 12 - DrawingsYou can also manually insert additional dimensions on a drawing view. These useraddeddimensions are referred to as Reference dimensions. Reference dimensions aredisplayed the same as driving dimensions. However, you can display a referencedimension in parentheses to distinguish it from driving dimensions. Right-click thereference dimension and select Properties from the pop-up menu. Select the Unitsand Tolerance tab, select the Display As Reference Dimension option, and clickOK.If a driving dimension is changed in part mode, the associated dimension in thedrawing will automatically get updated. You can also edit driving dimensions in thedrawing. If you change a driving dimension in the drawing, the part is automaticallyupdated.Reference dimensions cannot be edited or changed. However, reference dimensionswill update upon the modification of driving dimensions. You can insert additionalreference dimensions in drawings to further clarify the design intent.12.4.1 Placing Additional Dimensions on a ViewYou can use the same methods to add dimensions to a drawing as you use todimension sketches in part mode (refer to Chapter 4).‣ To place dimensions in a drawing:1. Select the Dimension tool from the Sketching toolbar.2. Select the figure to dimension. A dimension preview appears, press Esc if thewrong figure was dimensioned.3. When the preview displays the correct dimension location, click to place thedimension. The newly placed dimension is a reference dimension.12.4.2 Dimensioning Slots and HolesYou can easily control how dimensions related to slots and holes are created anddisplayed.‣ To insert a dimension related to a slot or hole:1. Select the Dimension tool from the Sketching toolbar.2. Select the first circular/radial figure or line to be dimensioned from. A dimensionappears but do not click to place it.361