Guilloché patterns
Guilloché patterns are intricate, interwoven line patterns that are frequently applied to official documents, banknotes and securities. Thanks to their extreme detail and complexity, they form a powerful protection against counterfeiting.
How it works
- Created using specialist software or printing techniques.
- Consist of very fine, overlapping geometric patterns.
- Patterns are impossible to reproduce by hand or via a standard printer.
Security
- Extremely difficult to replicate.
- The precision with which the lines are constructed cannot be copied by standard equipment.
- Attempts to scan or print result in a blurred or broken line pattern, making a forgery immediately recognizable.
