Andy Hall wrote:
It may be necessary with some designs to lengthen the opening to
accommodate the casing but not by much.

Have you found some short ones then? 570 x ~ 1000 seems a common size,
Ideally I'd like 570 x 570 or up to about 750 if not, but I can't find
anything.


--
Spamtrap in use
To email replace 127.0.0.1 with btinternet dot com