Polaroid frame
thingiverse
With that you can pin your polaroids to the wall just glue them to the wall and slide your polaroin in it
Download Model from thingiverse
With this file you will be able to print Polaroid frame with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Polaroid frame.