Blend

[Blend] command will generate a curve that is smoothly connected to ends of both curves.

Blend

Step 1

While "Specify a point around an end of the 1st curve" prompt is displayed, mouse-click on-curve point around an end of a curve.

Step 2

While "Specify a point around an end of the 2nd curve" prompt is displayed, mouse-click the other curve just like for the 1st curve.

Step 3

While "Adjust length of the tangent vector" prompt is displayed, move the slider bar of the dialogue box. The previewed curve on the screen will be dynamically updated. Press OK button at the desired vector length.