to use the Extended Surface Mock Up, you are expected to use the Adobe Photoshop program, the software we use in the manufacture of this mock up, The discussion is not difficult and easy, we use the Smart Object layer in Photoshop, in order to allow you to operate this media. here we explain with an example that is lightweight and very easy Start the Adobe Photoshop Program, and open the file of Mock Up and you see that file in Adobe Photoshop Double Click in Smart Object for Edit Your Design in the layer , you can see the file of Smart Object and you can Put your Design in Smart Object Area Extended Surface Mock Up PSD Help Using File of Mock Up File of Mock Up Layer of Photoshop Smart Object