Make colours overprint for professional printing.
Showcase of Colourful Designs Made With Overprint Effects
The overprinting process: (a) from injection-molded tablet
Overprint Preview, Print Marketing and Packaging Company
Overprinting & Knockout – Imaging Center
Color by Overprinting — Stumptown Printers Worker Cooperative
Overprinting - Wikipedia
How to Overprint Colors to Create Cool Print Effects
What is Overprinting?
Dramatic Color by Overprinting: A Complete Guidebook in the Art
Overprinting