With KnotsBag you will be able to create beautiful knotwork by just clicking on points. You just have to create a graph. For that you create points with the mouse and you link the points with one of the four different links available. KnotsBag makes the knot from the graph. You can adjust the colours, the widths, etc. before exporting in .svg for Inkscape or Illustrator (or .ai) to polish your work.