Jenny explains it really well.
I was successful after watching her and following slowly .:thumbup:

Make a small table mat or runner first to grasp the idea. It needs organising when you cut the twist in the placing.
If you look carefully I made this with 3blocks which could be place mats then joined 3 to fit table. It is quilted just needs ends sewing in and binding. Oh one day all projects will be finished. You an see from these small ones where I began