In article <493hku$78m at pulp.ucs.ualberta.ca>, mhamilto at gpu.srv.ualberta.ca (Michael Hamilton) says:
>Does anyone know of a supplier for this type of thing, or can suggest
>a company/university to contact for custom construction? The
>material is not important, except that it is clear and rigid.
Try Polyfiltronics, USA 617-878-1133 (voice),