Assign Parameter Names
1. In the Generate Constraints dialog box, click the Assign radio button. Then pull down the Type selection list and select Dimension.
2. Click the dimension for the radius of the large hole.
Type in: 'HoleRad' [Enter]
3. Click the dimension for length of the slot.
Type in: 'SlotLen' [Enter]
4. Click the dimension for the width of the slot.
Type in: 'SlotWid' [Enter]
5. Click End.