In this post we have used Fraxapp.
This image is generated with this program, a Mandelbrot and Julia fractal generator for iPad.

This app adds a stunning 3D texture to a basic Mandelbrot fractal, with light effects, shadows, colors and more.
Can you see the plastic material effect?

Here it is a screenshot when editing.

License

Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)

You can watch some of my work at 500px