Its really fun, keeps you interested when you add a node and instantly see what it does. And it definitely makes certain things even possible. Like distributing objects in a pattern then distorting said pattern and have all the objects react to the distortion. Just start messing with it, the only way to understand is to use it.

What he said

thank ya! very nice of you

@@CGMatter is a pleasure, you are the GURU of Blender 😁😄😃

Not something obvious I can think of - a loop cut kind of node would be great

ya! as long as they're oriented correctly

The normal direction just points in the face up or outside direction, Z - it does not really tell you anything about what is "left" and "right" of the cardboard or in other words X and Y. Also each face has its own normal, so you have no continuous left to right range to use a sine or cosine function.

@@gordonbrinkmann actually you can. you should modulo the indices by 2 and subtract their location to get their vector direction and then apply the offset according to normal. with modulo you can also make your own sine wave.

@@danialsoozani The problem is not the sine wave. The problem is, if you want to make some cardboard which is not perfectly straight and flat, the normals will still point in the faces' Z direction, but the X and Y direction can vary from face to face which could result in unwanted turns of that zigzag paper.

@@gordonbrinkmann I know what you mean, but I think you didn't realize what I meant. maybe I make a video about it later but I'll tell you in short if you get it through this text, you can zero out the unwanted directions by using the direction of indices regardless of problems you mentioned above. you can watch Erindale to get what i mean.

that would only solve the faces, not the interior "ridges"