It's a retexture of a human ragdoll. I used a Collector drone from Mass Effect 2 as a template for the red bits at his arms, legs and torso. The rest is my imagination, using the colors from his head to create the body. These pictures are NOT photoshopped!
Another set of pics can be found here: http://eroticofdragonage.blogspot.de/2012/10/me3-nude-javik-ii.html
And here: http://eroticofdragonage.blogspot.de/2013/01/shavik-femshepjavik-couple-erotic-ii.html
Do NOT upload to Rule34!