Defining a Variable to Create Parametric Geometry

Create a variable to create parametric geometry.

  1. On the Construct tab, in the Define group, click the  Variable icon. From the drop-down list, select the  Add variable icon.
  2. In the Name field, enter a name for the variable.
  3. In the Expression field, enter a value, expression or an already defined variable.
  4. [Optional] In the Comment field, add a comment or description for the variable.
  5. To view the result of the expression or test the validity of the expression (without closing the dialog), click Evaluate.
    The calculated result is displayed in the Value field.
    Note: The result is maintained until the next time the expression is evaluated (the result is not updated automatically when the expression is changed).
  6. Select one of the following workflows to close the dialog.
    • To create the variable and close the dialog, click Create.
    • To create the variable, but keep the dialog open to create another variable, click Add.


    Figure 1. The Create variable dialog.