Junkers J.1 Small Scale Scratch Build

I dug out an old scenario for the club WW1 rules the other day, with a view to converting it for Algernon Pulls It Off!. It involves an observation sortie by a Junkers J.1, escorted by Fokker Dr.1's of Jasta 11, intercepted by the SE5a scouts of No.29 Squadron RFC, although I might fiddle about with the set up. It's set in the latter stages of the Battle of Cambrai and, while not based on actual events it is semi-historical. I don't have a 1/600th scale Junkers J.1, however, so I'm going to have a go at scratch building one in plastic card...a bit of a challenge but worth a try!