Unfortunately, the pattern companies picked it up and it ... there's three things that change up when you're doing this curved line. Okay, number one, we talked about it, concave and convex.

One joked: "I need new eyes after this". Another exclaimed: "I figured it out! There are no curved green lines, the patterns just have light spots that looks like curves!" ...

“The Tiles are designed in such a way that gives an illusion of curved lines ... your brain sees that background pattern as the continuation of a line that has moved from the center of the ...

The viral optical illusion features a pattern of green lines outlining grey squares. The challenge is to find curved lines within this illusion. As people engage with the image, they find ...

Flexible materials shaped with these patterns can be used to make ... we replaced straight origami folding lines, or creases, with curved creases. By using multiple curved lines between two ...