How to make the grid of squares in the middle of the document?
Hi,
How do you place a square-format grid placed exactly in the middle of the document? Now it's going out of the document to 900 mm. I tried different values, but they all give me wrong result, sometimes it' goes far out of the document. I want it palced so that there is equal boxed all over the document. I want it stop 857 mm exactly.


Would be glad if anyone could specify the exact values I need to put in, or any other way to solve this problem.
Kind, Modassir
