What is this picture?

Question

What is shown in this image?

Accepted Answer

velvet fabric surface. # Velvet's Shimmer is an Illusion

Velvet appears to change color when you brush it in different directions because the tiny fibers are reflecting light at different angles—there's actually no color change at all, just clever physics at work. This property made velvet historically expensive to produce, since manufacturers had to carefully control the direction of the pile during manufacturing to achieve consistent color.

Answer: velvet fabric surface