JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. To Add Dimension Constraint to an Element Select the Dimension Element tool ( Drawing > Constraints > Dimensional ). Select the profile segment. Enter a data point and then key in the desired dimension. Enter a data point to accept or press <Enter>. Dimension element constraint. Left: Alignment set to True. Right: Alignment set to Drawing Note: For circular elements you can select the element and choose to constrain the radius or the diameter from the tool settings. Parent topic: Dimension Element Constraint