I was cleaning up my paint collection, and found a lot of my old flip-top Citadel paint pots had given up the ghost. And then I looked at the shapes of the lid parts, and thought "Hmmmmm....."
Cleaned out the caked paint (see the untouched example at top right, separated the halves, and a couple of lashings of different grey paints later ... voila, low and high bunkers. Just add your favourite topping! And I love the way the old hinge gives the low bunkers an entrance.
W.