The 18th century in Portugal was a time of grandiose constructions, marked by the construction of the National Palace of Mafra (NPM), listed as a UNESCO World Heritage Site since 2019. Our understanding of this heritage is limited due to the minimal documentation that has survived to the present day. In this research, we address the lack of stereotomic studies, focusing on developing a methodology to document and model these constructive solutions. Our methodology includes the inventory of the stereotomic solutions, surveying with laser scanning and/or photogrammetry, understanding the generative geometric principles, and generating parametric models. Within the scope of this paper, we address one vault that, when represented as a parametric model, can be reused to fit other vaults of the NPM or of the same type in other buildings. These results represent an initial step toward developing a reusable library of stereotomic solutions for surveys and contemporary designs.

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UNESCO World Heritage,National Palace of Mafra,Stereotomy,Point Cloud,3D parametric modelling,Digital heritage

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