went to ACE HARDWARE today looking for some glaze to finish the wood grain as I was there i found Minwax wood hardener.It said on the can to harden rotten wood to a rock hard finish .Well paper is like wood in-fact it,s processed wood so that the hey I,ll try it.Shore enough it made the paper rock hard.Though I,d just share a new trick I found to stiffen the paper after building.probly screw up printed pages but great on scratch builds.