I just compiled my knowledge about nanofactories into this block diagram.
Any thoughts? ( You can open and edit the attached *.graphml file with the closed java freeware program yEd - here: http://www.yworks.com/en/products/yfiles/yed/ )
In the diagram above this chart corresponds to the points:
This is only the most minimal toolset. You can begin to see the complexity here.
The red ones are rate limiting gas pase steps which still need better solutions.
Note that I had to decide for a lot of tradeoffs in this visualisation.
It is thus far from perfect and definitely improvable.
(License: Public Domain)