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Abstract

Systems and methods for determining a wall thickness of an object defined by a surface mesh model receiving an initial polygon and a neighbouring polygon of the surface mesh model sharing at least one vertex with the initial polygon. Each received polygon is associated with a search volume extending inside the object substantially perpendicular to a surface of the corresponding polygon. The method determines, based on normals to the surfaces of the initial polygon and the neighbouring polygon, a region inside the object, the determined region being between the search volumes of the initial polygon and the neighbouring polygon. The method expands the search volume associated with the initial polygon towards the determined region to form an expanded search volume, and then determines the wall thickness of the initial polygon using a distance from the initial polygon to a further polygon within the expanded search volume.

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