Graphic Concrete Collections Our collections offer four different ways to use graphic concrete. GCCollection comprises almost a hundred ready-made repeating patterns that can be customized and scaled according to the designer’s wishes to create a unique look. Designers can also create their own repeating pattern, which we call GCPro. To create large designs using photographs or other non-repeating patterns, we offer GCArt&Design. Finally, GCSmooth offers a beautiful velvety smooth and even concrete surface without a pattern.