Hello Stephen,
thanks for taking the time! It’s very much appreciated! Thanks for explaining how you deal with that. I will definitely try it out even though I love to have everything in one node network/one file because I can of course access all elements for texturing or the likes and I don’t have to switch between extents/files which feels way more natural to me ^^
I guess another way to solve this would be the possbility to bake nodes in a larger extent and then keep working in a smaller extent or kind of having the option to set in which extent devices should be computed? (similar to the resolution override feature) Maybe there can be a cool solution in the future 
Could you also comment on this in the other threat? Thanks a ton, I love World Machine a lot! Keep up the good work!