These box lanterns are four foot square
and made of 1/4 inch steel plate. The
building is in the Stellar Airpark in Chandler.
The aviation silhouettes are cut out with a
digitally controlled water jet table.
colored panels inside the boxes are made
of a translucent mineral called mica. Ferric
nitrate turns freshly sandblasted carbon
steel from grey to rust in about 20 minutes.