To start quickly:
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1. Run ProTOp
2. Open the *.ptop file of the example
3. Confirm to make a new import of the source (FNF) file
4. Go to "Optimization" tab and click "Start session"


To change the FEM model in PTC Creo Parametric and optimize it:
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1. Open PTC Creo Parametric (2.0 or 3.0)
2. Select working directory
3. Open Creo part file *.prt  
4. Switch to Simulate application (Applications->Simulate)
5. Mesh part ("Mesh")
6. Export to FNF file ("Run")
	Settings in the dialog box
	-> PTC FEM Neutral Format
	-> Linear Element Shape
7. Close PTC Creo Parametric
8. Open ProTOp file *.ptop 
9. Select FEM source file *.FNF ("Source")
10. Import FEM data ("Import source")
11. Go to "Optimization" tab and click "Start session"
