available formats : .max .stl .obj .wrl .fbx all are inside the zip file.
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there is 2 different frames available, one is edgy the other is less edgy. they can't be smoothed!Also you can find the parts individually inside the files. Frames are 12cm in length, 10,5-11,5 in width and 3mm in heigth(thickness).
I have not tested to print.