This is a kaleidoscope generated with ScopeWorks for Macintosh computers, available in the Mac App store.

The original image is a Mandelbrot Set fractal, generated with FractalWorks for Macintosh, which is also available in the Mac app store.

If you have a recent version of FractalWorks you can generate the source image for this kaleidoscope by clicking this link: Fractalworks plot lacy seahorses