This is the largest fire ant colony cast to date, by mass and depth. It was on display at the International Design Biennial in Saint-Étienne, France from March 12, 2015 until April 12, 2015 as part of the Form Follows Information exhibit.

This is Cast #072, see pictures here: http://anthillart.com/castings/072/

Thanks to everybody at Cité du design​ and the Biennale Internationale Design Saint-Etienne​ for including the cast.

Biennale Internationale Design Saint-Etienne 2015 web site: http://biennale-design.com/
Cité du Design web site: http://www.citedudesign.com