Geometric design dates back to ancient times as a means of having a design process that was both easily scalable and able to incorporate symbolic references into art, structures, religious relics, and even weapons and armor. Peter Johnsson brought this process into the modern bladesmithing world , though it works well for any artist, craftsman, or designer.

This 4x6 card is a replica of the one that I carry in my notebook which incorporates medieval Christian symbolism, numerology, and the angles to make each shape. Each card also comes with a “how to” sheet that explains how to incorporate the process into your designs.