Complex sentence: Crespi and Ruffini introduced the "Manieristica" shape to Verona, born in the XVI century in the mountains of Swiss, it became the basis for new shapes still used today.
Split into simpler sentences: Crespi and Ruffini introduced the "Manieristica" shape to Verona. This new shape had originated in the 16th century in the mountains of Switzerland and it became the basis for shapes still used today.