When it comes to producing high-quality books, the paper grain direction is a detail that often gets overlooked by newcomers but never by professional bookbinders. The paper grain refers to the orientation of the fibers in the paper, which is determined during manufacturing.
What Is Paper Grain?
During the papermaking process, fibers tend to align in the direction of the moving wire on the paper machine. This creates a grain direction — either grain long (parallel to the longer side) or grain short (parallel to the shorter side).
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