machine for pigs lantern in a custom story

[Romulator]

In that case, set up your FC by following this guide.

Once you have done all that, copy over the models folder from Amnesia, and everything in it, and put it into your Full Conversion. Then from there, take the lantern folder from AAMFP and put it in there. Once that is done, run your game with the batch file you create in that tutorial and see if the lantern works. If not, then we may have to edit some more things.