9-11 memorial plaque made from 1/4" stainless steel.  Windows on the World memorial.
Memorials, plaques, and signs all made from various metals.

Metals 3

I'VE MADE CUSTOM MEMORIAL SIGNS LIKE THIS ONE BUILT IN 2011 FOR FALLEN 9-11 MEMBERS THAT WORKED AT WINDOWS ON THE WORLD (WORLD TRADE CENTER). 1/4" STAINLESS WITH A WOOD BACKING.     Courtesy of Local 100-New York, New York.    

https://www.unitehere100.org  THE PHOTO GALLERY BELOW SHOWCASES SOME OF MY WATERJET SIGNS AND PLASMA CUT SIGNS FROM PAST JOBS.