This model has been created with smoothie-3d.com which is a free online modeling tool. Making of: http://youtu.be/OfhNzSw4H-I
Made from a single photo: https://upload.wikimedia.org/wikipedia/commons/9/99/Common_Lime_Butterfly_Papilio_demoleus_by_Kadavoor.JPG
Model on Smoothie 3D: http://smoothie-3d.com/?p=nebulousflynn@14