Activity Feed › Forums › Sign Discussion › General Sign Topics › 10mm Foamalux 1m x 1m how to make more rigid? › Reply To: 10mm Foamalux 1m x 1m how to make more rigid? Martin Cole Member June 21, 2011 at 8:21 am quote David-Foster-: It is for my artwork. I am doing a series of pictures in nails. Each one is made up of over 10,000 nails. Quite amazing that David, 10,000 nails 😮 how long does something like that take to do?