So many questions…
Does it use some high-distance sensor fusion, it only prints things smaller than those builtin rails, or it just assumes wheels never lose traction and fails on every print?
How is the adherence of a random household floor? Does it require some kind of wax or it fails on every print?
Again, how is the adherence of a random household floor? Can objects be removed after printing? Because if you expect models to be correct on the first try, you’ll fail on every print.
I’m sure I can fix a “why?” somewhere among the questions, but the “how?” is so interesting it would only waste space.
Indexing by zero has a huge positive impact on the correctness of complex operations like joining intervals, that nobody trusts themselves to write anyway and always pack behind a well-verified library.
But I think the reason we have it is because C maps it almost immediately into memory offsets.