Creating knots
The Knot LPE creates visual gaps at the points where a path intersects itself as if the path is tied into a knot, with certain path segments running over others.
How to do it...
The following steps will show how to create knots in a path:
1. Select the Star tool (Shift +F9 or *), press the Reset the shape parameters to their defaults
button and create a complex star shape with nine corners and rounded base radius with a value that gets an effect you like. Remove the star fill to keep it aligned with the goal of creating a knot out of a path and increase the stroke width to 6. You should get a shape similar to the one shown in the picture.2. Open the Path Effect Editor by using Shift + Ctrl + 7 or by going to Path | Path Effect Editor....
3. Under the Apply new effect, choose Knot and press the Add button. Notice the gaps in the stroke around the intersection points.
4. Select the Node tool (F2 or N) and notice that a diamond handle appears over one of the intersections. Drag...
