Interpolating sub-paths
Interpolate Sub-Paths is an effect that can help us "blend" two sub-paths of an object. The interpolation in this LPE only affects the shape of the paths and not their style, since sub-paths cannot be styled separately.
This effect can create various 3D surface illusions, hair, hatches, and engravings, or it can be used to create shape variations so it's easier to choose the perfect one.
How to do it...
The following steps will show how to interpolate sub-paths:
1. Select the Pencil tool (F6 or P). Set it to normal mode, set Smoothing: to 35, and create a horizontal wavy line. Hold Shift while creating another similar line so it's added to the same object. Create the second line drawing in the same direction so their path directions are parallel.
Note
If you forgot to press Shift and created two separate paths, you can still combine them into one object by selecting both of them using Ctrl + K or by going to Path | Combine so they become object sub-paths.
2. Open the...
