Jordan Kim Sustainability & Industry Editor at 4OVER4.COM Question What is Grain Direction in printing? Answer The direction paper fibers run. Folding parallel to the grain prevents cracking. Related questions What paper grain direction should I fold along?Are door hangers considered soliciting under legal printing requirements?Are landscaping print products different from general business printing?Are printing statistics relevant for small businesses?Are salon printing materials useful for other beauty businesses?Are specialty printing materials more expensive than paper?