CadSync,

Creating composite curves requires the Freeform Surfacing ISDX package. The instructions to accomplish this task are listed below:

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To Combine Curves
Click or Styling > Curve Edit. The Freeform Surfacing dashboard appears. The curve collector is active by default.

Select a curve, right-click its endpoint, and select Combine.

If there is more than one neighbor curve at the endpoint, Pro/ENGINEER prompts you to select which curve to combine with the selected curve.

Click to complete the curve operation.

The two curves are merged into a single curve, which changes shape in order to maintain smoothness.
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1. Select "Style Tool" and create your curves:


2. Curve 1 [green] & curve 2[blue]:


3. Edit the curve holding down the SHIFT key & align the endpoints where you want to connect the curves. Right click on the end point & select COMBINE:


4. The curves are now one composite curve:


Hope that helps!
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