What is this picture?

Question

What is shown in this image?

Accepted Answer

lace fabric pattern (macro). # Lace's Accidental Invention

The intricate patterns you see in macro lace photos weren't always intentional—lace actually originated in the 15th century when craftspeople were trying to imitate expensive needle-made designs by looping and knotting thread, and it became so popular that it eventually cost more than gold by weight during the Renaissance. Today, those delicate geometric patterns that look impossibly complex were often created by hand with just a few needles and an extraordinary amount of patience.

Answer: lace fabric pattern (macro)