Rusted Robot Free 3D model

This 3D model was originally created with Sketchup 6 and then converted to all other 3D formats. Native format is .skp 3dsmax scene is 3ds Max 2016 version, rendered with Vray 3.00 This is my first work I have really payed attention to the pictures I have used. I took a picture of a rasted car and in Photo Shop I have seperated only one rasted part. then I have made every part alone and colored it with the rust. I have designed the model to fit exactly the colors.