Graph paper for a three-ring binder
Quarter-inch graph paper with three-hole punch guides, and the grid pulled clear of where the rings sit.
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Grid paper suffers most from a narrow binding margin
On ruled paper you lose the start of a line. On graph paper you lose whole columns of squares, and because the grid is a coordinate system, losing the leftmost columns shifts everything you plot. Widening the binding margin keeps the usable grid rectangular and intact, which matters much more here than on writing paper.
Squares stay true size
Punch guides change the margin, not the spacing. A quarter inch is still a quarter inch, so the sheet is usable for scale drawing and measured work even after it is bound. The only thing that breaks that is print scaling, which shrinks the squares and the hole spacing together, so the sheet both measures wrong and does not fit the rings. The calibration page settles it once per printer.
Heavier line every inch
The major line is set every fourth square here, giving a bold inch grid over the quarter-inch one. In a binder full of pages that all look alike, that inch grid is what lets you find your place and compare one sheet against another quickly. It also makes counting from the origin far less error-prone once the sheet is in a stack.
Printing it accurately
This only measures correctly if your printer doesn't rescale the page. In the print dialog set Scale: 100%, not "Fit to page" or "Shrink oversized pages". If you're not sure it worked, print the calibration page, measure the ruler on it with a real ruler, and it will tell you exactly what your printer is doing to the page.