Fat Foil Business Cards Design Requirements

Emma Davis
Emma Davis Content Strategist at 4OVER4.COM
May 8, 2025

All projects requiring special effects, such as Fat Metallic Foil, will additionally require files called Black Mask files. A Black Mask file is where you indicate in 100% black (K) where the effect is to be placed on your printed pieces. We strongly recommend that all Black Mask files are created in a vector-based program (ex: Illustrator). Please also keep in mind that if you are intending your effect to be in alignment with your print shifts of up to 1/16" can occur. This is due to the fact that special effects are applied on separate machines from the regular printing machines. For more information please visit this link.

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