---
type: help
title: "Do I need to provide a mask file for custom printing effects?"
description: "For special effects like spot UV, raised spot UV, or foil, 4OVER4 generally needs a way to show exactly where the effect should appear. This is usually don"
resource: https://www.4over4.com/help/finish/do-i-need-to-provide-a-mask-file-for-custom-printing-effects
tags: ["Products", "help"]
timestamp: 2026-07-20T18:54:40.856Z
---

# Do I need to provide a mask file for custom printing effects?

For special effects like spot UV, raised spot UV, or foil, 4OVER4 generally needs a way to show exactly where the effect should appear. This is usually don

Part of the **Products** hub. See [all help concepts](index.md).

- Page type: help
- Hub: Products
- URL: https://www.4over4.com/help/finish/do-i-need-to-provide-a-mask-file-for-custom-printing-effects