This picture has been made by writing original C++ code on a computer, where the colours were chosen with the same creativity and freedom that an artist uses when confronted with a blank canvas. It was created using trigonometric functions composed with low degree polynomials.
Much larger canvas or paper prints can be created if required, with no loss of quality.
For more information:
https://gcboore.com/pages/t3detail.html
https://gcboore.com/