This symmetric object formed of rhombi and squares makes a nice project
for students, incorporating rotational transformations. The underlying grid was kept
for accurate GeoGebra rendition, as well as the background color. These geometric
studies, dated to 1896, were originally educational plates designed to explain the role
of geometry in science. The beauty of these images lies in their simple yet sophisticated feel.
The pieces are deckled and floated on linen, then framed in acrylic and embellished
with a leather strap.
credit: http://naturalcuriosities.com/node/118
from wikipedia: Jean-Baptiste Biot (1774–1862) was a French physicist, astronomer,
and mathematician who established the reality of meteorites, made an early balloon
flight, and studied the polarization of light. Biot also discovered the mineral biotite.
