Public domain photos

The image shows a white surface with a box containing two scallops, a ruler, and a piece of paper with a QR code on it. The box is rectangular in shape and the ruler is placed next to it.

The image shows a white surface with a box containing two scallops, a ruler, and a piece of paper with a QR code on it. The box is rectangular in shape and the ruler is placed next to it.Open in library