the zig-zags where the color change is at the peaks / troughs looks to me like a wall with light coming from the right side. i wonder if that's what's going on

the zig-zags where the color change is at the peaks / troughs looks to me like a wall with light coming from the right side. i wonder if that's what's going on here, the brain is saying "i know that shape, it's a zig-zagging wall"