Added another 2 versions on Shapeways.. http://www.shapeways.com/shops/picase
Both have an open top with room to place a transparent perspex sheet of 50x80x2mm
One has a closed bottom, the other is open.
Currently I don't have gotten a delivery date yet for a Pi...
Perhaps if someone in the Netherlands has received it, he/she can contact me, so we can see if everything fits.