Tutorial - Modeling tapered spring in Creo Elements aka Pro/E?

1. Step 1

   Insert >> Helical Sweep >> Protusion.
   
   

2. Step 2

   Select Top plane.
   
   

3. Step 3

   Draw a center line about the vertical axis.
   
   

4. Step 4

   Draw an inclined line like this.
   
   

5. Step 5

   Exit the sketch and define the pitch value. Click OK.
   
   

6. Step 6

   Define the cross-section of the spring and click OK.
   
   

7. Step 7

   We have spring generated.