Is it for gaming rendering? If so, I know 4 ways : - Xoliul Shader 2 http://xoliulshader.com/ - 3Point Shader http://www.3pointstudios.com/3pointshader_about.shtml - Marmoset Toolbag ($) http://www.8monkeylabs.com/toolbag - take a screenshot directly from your game engine (UDK, CryEngine, Unity, etc...)