What is this picture?

Question

What is shown in this image?

Accepted Answer

typewriter ribbon (macro). # Typewriter Ribbon Magic

The iconic black-and-red striped typewriter ribbon wasn't just a design choice—the red section was intentionally used for important documents, corrections, or emphasis, so typists could literally highlight their most critical words before highlighters were even invented. Modern ribbon enthusiasts have discovered that vintage ribbons make surprisingly beautiful macro photography subjects because the densely woven cotton fibers create intricate geometric patterns that look almost like abstract art under magnification.

Answer: typewriter ribbon (macro)