@TikanaPera You could try use the straight edge technique, where you add a string on each side and do a backward-forward knot or forward-backward knot on the even number rows? For the spikey parts, for me, I find making the knots a tiny bit looser and also using my fingers to push the knot into place and flatten it out as I go helps. ๐
I might try a 12 strand version, any tips on a way to keep the knots even? The right spiky triangular bit gave me some trouble keeping the knots smooth and straight.