Now the underlying framework is done. The lines that are currently black act as “complications” in the knot, keeping it from just being a basic boring latticework. The blue lines are edges of the spiral, except inside the innermost blue line, where the green edges are also the edge of the spiral (it’s so small I didn’t want to add additional large blue lines in there and obscure the drawing area.

Note, these screenshots are at half-size. The original is 1200px by 900 px.