This is a scene I made recently that uses Blender Cycles 2.76 entirely, no external programs. I made this series to branch out into a more professional field of work. Enjoy!
Also can be seen on:
ArtStation: https://www.artstation.com/artwork/QxPJd
Fiverr: https://www.fiverr.com/noviceindisguiz/create-custom-abstract-wallpapers-in-a-week?display_share=true&arrived_from_share_todo=true