This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Auxetic Zhang. en Auxetic structure loaded in the vertical direction Structure design according to Zhang et al Study of an auxetic structure made of tubes and corrugated sheets physica status solidi Volume Issue pages October own appank cczero Uploaded with Materials Animations
Page 2023 Free-images.com. All images are Public Domain