Escherlike quasiperiodic heterostructures
  We propose quasiperiodic heterostructures associated with the tessellations of the unit disk by regular hyperbolic triangles. We present explicit construction rules and explore some of the properties exhibited by these geometric-based systems. 
A. G. Barriuso, J. J. Monzon, L. L. Sanchez-Soto, and A. F. Costa