You can see here where I filled the holes for the original funnel ladders and drilled my own. You can see the Tom's Modelworks ladders being used here although if you use the original depressions for the ladders as a guide you will end up with the cradle sitting half way above the bottom of the black section as I did. If I were to do this again I would fill the holes and then drill new holes approx. 2.5mm lower. I decided to build my own pipes for most of the minor funnel pipes as seen on funnel 1. I also filled the original rigging holes and drill my own at a smaller diameter.