Public domain photos

The image shows a small piece of paper with a QR code on it next to a ruler, and a glass object with some objects inside it placed on the surface. At the bottom of the image, there is a scale with color options.

The image shows a small piece of paper with a QR code on it next to a ruler, and a glass object with some objects inside it placed on the surface. At the bottom of the image, there is a scale with color options.Open in library