Part 16 · Chapter 40

And this is called a distant screen, because it would have been fitting that this screen be made from the Tifferet of Yetzirah, just as the screen of Yetzirah is made from the Tifferet of Beriah, as mentioned above. However, it moved away, and was made from the Malchut of Yetzirah; therefore it is called a screen more distant than that of Yetzirah.