I have been building a Bob's/Angel base, but I have been having trouble calculating recipes that use steam as an ingredient. Helmod wants to use heat pipes as the steam making factory. The other options it gives me for producing steam are similarly non-nonsensical. Does anyone know a way to work ...

I don't think it's feasible. Shift-clicking won't place blueprint ghosts on water, and without that there's no reasonable way I can see to detect when landfill would be required.

Whenever you try to place a blueprint, you could always try to place landfill under the entities in the blueprint ...

I would like to be able to take any blueprint, paste it on water, and have landfill be placed as a blueprint under the entities that I am trying to construct. Does that make sense? I want to be able to click the blueprint on water just as I would on land, and have bots come try to place everything ...