paper grain
Refers to the direction of fibers in paper, important for folding, printing, and bookbinding.
紙目に沿って折ると、きれいに折れます。
If you fold along the paper grain, it folds neatly.
印刷するときは紙目を確認してください。
Please check the paper grain when printing.
Compound of 紙 (kami, 'paper') and 目 (me, 'grain' or 'texture').