On Fri, 23 Mar 2012 12:21:24 -0700, Jim Thompson
wrote:

Anyone make a project box (plastic) this small...

Interior dimensions: 1" x 1.25" x 3"

...Jim Thompson

Check the 'cases' pages at All Electronics.
http://www.allelectronics.com/make-a...5/Cases/1.html

They have some that are just a little larger or smaller than the
dimensions you listed.