The file 'Kindle / Tablet Stand (Magnet) 3D Printer Model' is (stl) file type, size is 49.8KB.
This is a simple tablet stand. There are 4 angles.
Kindle has a button at the bottom, so a hole is provided to avoid it.
Also, with a 6x3 mm magnet, it can be mounted to a refrigerator, etc.
