Abstract
Abstract. Caisson is one of the important representations of the Minnan (southern Fujian) temple architecture craft techniques and decorative aesthetics. The special component design and group building method present the architectural thinking and personal characteristics of great carpenters of Minnan temple architecture. In late Qing Dynasty, the appearance and style of caissons of famous temples in Taiwan apparently presented the building techniques of the great carpenters. However, as the years went by, the caisson design and craft techniques were not fully inherited, which has been a great loss of cultural assets. Accordingly, with the caisson of Fulong temple, a work by the well-known great carpenter in Tainan as an example, this study obtained the thinking principles of the original design and the design method at initial period of construction through interview records and the step of redrawing the "Tng-Ko" (traditional design, stakeout and construction tool). We obtained the 3D point cloud model of the caisson of Fulong temple using 3D laser scanning technology, and established the 3D digital model of each component of the caisson. Based on the caisson component procedure obtained from interview records, this study conducted the digital simulation of the caisson component to completely recode and present the caisson design, construction and completion procedure. This model of preserving the craft techniques for Minnan temple caisson by using digital technology makes specific contribution to the heritage of the craft techniques while providing an important reference for the digital preservation of human cultural assets.
Highlights
1.1 Background and motivation “Caisson” is a unique ceiling structure and decorative technique in Han traditional buildings
Master carpenter Hsu designed the Caisson who only created drawing in detail on one side
From sectional drawing analysis of Caisson, that clearly shows the framework of side units of Caisson, including number of levels, height, width and Tou-Kung, which are important criteria to manufacture components of Caisson
Summary
1.1 Background and motivation “Caisson” is a unique ceiling structure and decorative technique in Han traditional buildings. According to literatures, it first appeared in Dunhuang Muogao Caves reconstructed in the time of West Wei. The bottom is square well, surrounded by arcs to the top. The structure is more complicated and splendid It is the technique which consumes the most time and efforts in traditional buildings of Taiwan. The earliest case is Caisson on the top of the stage of Lukang Long Shan Temple It was constructed in the restoration in 1831.
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