FH-XX
Please point author nickname (Necroscope) if you going to assemble\copy\"or whatever you like" this model.
No instruction provided with model. 
Feel free to ask questions in http://www.papermodelers.com/forum/alternate-dimensions/15070-fh-xx-zeppbuster.html
or  (in Russian) http://models-paper.com/index.php?option=com_kunena&Itemid=11&func=view&catid=77&id=14212

Necroscope