Not at all what i did
this is what i did
i started with plain white backround then added some grunge brushes then added the render at its normal size the blured it and did a little smuge then got coverd it with the brushes again and set it to soft light then got out my paint bucket tool and filled it white and set that to soft light then added a 3d render and set it to soft light then got the brushes out again and change the color to brown and filled th sig and set that to color burn and did the same thing just less brushes and set it to linear dodge then added the render and bleneded it a bit and added border and text