Mark on a Pattern, Aligns It Correctly on Fabric

This page is the CodyCross answer for the clue below from Treasure Island, Group 1036, Puzzle 2 (Ship Attacks).

Question is: Mark on a Pattern, Aligns It Correctly on Fabric

and the answer is: GRAINLINE

Word Meaning:

GRAINLINE — The line of the warp on a piece of fabric

Definitions from Wiktionary.