Defining Model Dimensions as Variables

You define four model dimensions as variables. You vary them within a certain range to minimize the mass of the knob.

1. On the Optimize study tab, in the Variables section, for Rib_Thickness, select Range. For Min, type 2mm and for Max, type 4mm.
2. In the Click here to add Variables list, select Cut_Depth.
   The predefined parameter represents the depth of the cut defined by the Extrude3 feature. You can save mass by increasing the depth of the cut.
3. For Cut_Depth, select Range. For Min, type 1mm and for Max, type 10mm.
4. In the Click here to add Variables list, select Cyl_Ht.
   The parameter represents the height of the cylinder defined by the Boss-Extrude1 feature.
5. For Cyl_Ht, select Range. For Min, type 11mm and for Max, type 15mm.
6. In the Click here to add Variables list, select Cut_Diameter.
   The parameter represents a cylindrical hole along the axis of the knob defined by the Cut-Extrude3 feature.
7. For Cut_Diameter, select Range. For Min, type 2mm and for Max, type 9mm.

   Variables
   Rib_Thickness	Range	Min	2mm	Max	4mm
   Cut_Depth	Range	Min	1mm	Max	10mm
   Cyl_Ht	Range	Min	11mm	Max	15mm
   Cut_Diameter	Range	Min	2mm	Max	9mm