Things about Large 3D Printing
when you print in large scale, the Problems would be really Different then conventional one.
1. nozzle size the bigger the faster
2. slicing time need to be less than 10 minutes
3. printing time have to be less than one day
4. less detail more curvature design
5. Expandable shell like structure
Specialize Support System
when you try to print a Large object, you don't want to waste all your material on support.
meanwhile it will be easy to fail if there is no support at all.
with our method it would only cost fraction of the material.