Zig Zag Quilt Piecing - she explains very simply how this is achieved. You could alter it to use wider strips and make bigger blocks so it's a bolder look with just a few zig zags nonrepresentational non abstract , probably outsider art/craft?
Love zig zag quilts (like one I made for Marcela) and this is another way to use up scraps. Ok just got a charm pack of rainbow brights with slight flower design - I think they will work to make a quilt like this. And I can practice quilting neg.
Tutorial - How To Crochet A Zali Zig-Zag Chevron Blanket