Yes I know what you mean about bending, I used 1mm card on the forward foc'sle break on Zulu and wanted to curve each side to marry up with the hull sides to look like the real Zulu, I very carefully used a hair drier worked very well, I practiced on a bit of scrape first to how much heat was needed, just a thought, have you thought about using two pieces of .5 card laminated together on the bends.