The UNICO tiles consist of two modules - ARCO and CANTO.
The tiles were designed in such way that their sides are glazed and their edges may or may not touch one another. The patterns based on tangent sets will create compositions with continuous surface and the patterns in which the tangency is not kept will make a set with visible tile sides and in consequence will not make a continuous surface. Iluminado company is a patent holder for UNICO tiles.