Make your own watermark
Watermarks are widely used - you find them in banknotes to prevent forgeries - but how can you make your own? Rob shows a simple way to do just that, and he also explains how "watermark" got its name.
Watermarks are widely used - you find them in banknotes to prevent forgeries - but how can you make your own? Rob shows a simple way to do just that, and he also explains how "watermark" got its name.