Cracking is an undesirable, but avoidable, outcome. Cracking occurs when the paper fibre, ink, or varnish break at the fold or at any engineered area of the paper. Appropriate and correct grooving or scoring and folding can reduce and mitigate the risk of cracking. Choosing the correct grain direction is also very important. Standard coated papers should also be avoided when the design and print-layout is challenging the paper engineering and over-fold design and print is essential.