(Battista)
(fl late 17th century–early 18th).
Swiss-Italian stuccoist and architect. He drew up the plans for the abbey church of Muri (1694–7), Switzerland, which is regarded as the consummation of the centrally planned church and one of the most beautiful Baroque buildings in Switzerland. Bettini’s scheme involved reconstructing the cruciform Romanesque abbey church. The twin towers and the low choir spanned by a Gothic lierne vault were retained, but the nave was converted into an octagonal rotunda with transeptal chapels. The ends of the former aisles, at the west and east, lie outside the octagon and are used to form galleries. The eight arches defining the octagon are of equal height but unequal width. Uniformity of height is obtained in the narrower, diagonal arches by raising the imposts rather than by stilting the arches. A large saucer dome, with stucco ornamentation by Bettini, covers the rotunda, admitting light, via penetrations, from semicircular windows set on a slightly curving entablature inside, supported by folded pilasters. Bettini’s reputation is based on evidence that he produced designs for the building, while the more famous architect ...