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.
Torus. Torus svg en simple torus fading out to wireframe structure Rendered using POVRay own Created with Persistence of Vision LucasVB Torus svg Torus
Page 2023 Free-images.com. All images are Public Domain