> Take that as a proof that Stradivari really was VERY good
The other thing that I think is very interesting is that Stradivari really developed his own pattern for violins, while modern makers have a lot of knowledge to build upon.
He may not have been the first to copy Strads (or he may have been, I'm just not sure) but Vuillaume became very famous for making masterful copies of some Strads. In 1855 he purchased 144 instruments by Stradivari and some other of the "great Italian masters", I think mostly as a dealer but he also set out making great copies of Le Messie (a Strad), Il Cannone (a Guarneri, which belonged to Paganini), and some others.
I think Vuillaume's violins then became patterns for other instrument makers to use, and we have this legacy now where most modern violins are patterned after a Strad or a Guarneri.