Public domain photos

The image shows a close up of a piece of paper with a ruler next to it. On the paper there is a color chart with different colors, and at the top of the image there are some objects on the surface. The ruler is connected to the paper by a thread.

The image shows a close up of a piece of paper with a ruler next to it. On the paper there is a color chart with different colors, and at the top of the image there are some objects on the surface. The ruler is connected to the paper by a thread.Open in library