Quote Originally Posted by amsp View Post
Much appreciated Paul, if you find something you think might fit let me know. In the meantime I'm going to check local stores to see if there's any kind of container I could adapt to the purpose.
Dug out a couple of cases, one for Cokin type A filters, the other, a generic 'box'. The box measures 87mm square by 16mm deep (internal), whilst the Cokin case holds filters 67mm square - I suspect the box would be better suited for the purpose once another piece of foam is added.