Q wrote:

Know of any online shops in Germany that sell the fibreglass materials?...

Yep! Here you go (even in English): http://www.r-g.de/

Don't know wether they ship to Denmark, but I guess.
This company seems to be the best resource for that stuff. At least I've
seen it referenced many times in model builders NGs. I'm not in the
laminating.

HTH,
Niick
--
Motormodelle / Engine Models:
http://www.motor-manufaktur.de
Ellwe 2FB * VTM 87 * DLM-S3a * cubic
more to come ...