I found it again... It is: http://oknowmir.blogspot.nl/
participation is still open.. On the blog some wonderful results!
My windows are on the way to Russia :-).
I am fascinated by windows -- I'd love to exchange art having to do with windows with you, Margreet. Is your address on your page? Mine is.
The things you can do with windows...!!
I just created a group on this site 'Windows'. Pls join !
Hope you will be a 'friend'and yes, my address is on my page :-).