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.
Keywords from Image Description:
Triple torus array. Illustration of triple torus own Created with MATLAB Oleg Alexandrov talk July UTC Oleg Alexandrov Source code MATLAB illustration of triple torus obtained as an isosurface function main big and small radii of the torus controls the transition from one ring to the other pi Kb Rr is the grid size Smaller means