New template[edit source]

Perhaps the

can be added; this would be a design which has proven to fail and which needs to be reassessed/remade. KVDP 08:11, 2 July 2010 (UTC)

Sounds good to me. Or {{Status-Model-Problem}} if that removes some of the stigma people may feel from the word "failed".
(Of course, failure is often a good sign, because it shows we're trying and testing limits.) --Chriswaterguy 15:01, 6 July 2010 (UTC)