Modulex Interior signs can best be referred to as a mix between signs, decorations, and wayfinding. Our interior signs are multipurpose providing relevant information for directions, as well the texts also act as graphic decoration elements.Modulex Retail’s Interior signs can best be referred to as a mix between signs, decorations, and wayfinding. Our interior signs are multipurpose providing relevant information for directions, as well the texts also act as graphic decoration elements.