Escher style tesselation of swans

"Swans"

Swans by Abby V., a student in Math Teacher Mary Jo Hughes' combination "8th Grade Math Class and Swan Sanctuary*"
in the bird sanctuary area of Minnesota.

* No, not really. The other parts are true, though.

  mc escher style tiling of stingrays make it yourself tessellation art make-it-yourself MCEscher style tesselation pattern art