Have you ever picked up a spool of thread, turned it this way and that, and seen a face looking back at you, full of life and detail? Me neither…but it’s in there. The amazing portraits in Kumi Yamashita’s “Constellation” series are each made with a single black thread wound through an array of nails. I discovered this on the great blog "Things You Wouldn’t Know If We Didn’t Blog Intermittently." Click on the photo to see more detailed images.