Creo Simulate > Modeling Structure and Thermal Problems > Features > Datum Curve > To Intersect Surfaces
  
To Intersect Surfaces
1. Select the surface.
2. Select the other surface to intersect while keeping both in selection.
 
* Hold down the CTRL key to select more than one surface.
3. Click Refine Model > Intersect.
For more information on intersect tool, refer to the Part Modeling Help.
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