Blender 2.69 Cycles
Animation link here
http://www.youtube.com/watch?v=FsFuEn9v5Z4&feature=youtu.be
http://homepages.ihug.co.nz/~m_collett/blender/piston.html
Optimus by Pixel Sagas, for the rod font.
http://www.dafont.com/search.php?q=optimus
http://www.gimp.org/
http://www.blender.org
thank you
