I'm just curious how people deal with the actual nuts and bolts of nanofabrication, since my players are deliciously meddlesome/crazy and I just know they're going to start playing with it. What, for instance, does a cornucopia machine look like, both outside and inside? How does it position and bond feedstock into a finished product? How do healing vats coordinate their nanites to correctly form macro-scale structures?
Or, in more prosaic terms, if I were to stick my hand in a CM and pull out my hat when it's half-finished, am I going to get half a finished hat (cut off nicely or raggedly) or a pile of textile fibers? What algorithms govern what parts of a given item are produced in what order?
Also, what parts of the fabrication are most time and energy-intensive? Is it possible to produce more efficient templates by minimizing these, as opposed to just lightening the finished product?
Sorry for the storm of questions; I just have no idea how this is envisioned to work.