quaternion-julia-setIf you have Adobe’s Pixel Bender, then you can go download the “4D Quaternion Julia Set Ray Tracer” plugin for Photoshop and After Effects.

For Pixel Bender open the QuaternionJulia.pbk file with the Adobe Pixel Bender Toolkit or copy it into the Pixel Bender Files folder in your Photoshop CS4 installation directory (you will need to have installed the PB plugin for Photoshop first).

via 4D Quaternion Julia Set Ray Tracer • subblue.