Fig. 3From: Comparison of three-dimensional imaging of the nose using three different 3D-photography systems: an observational studyA: Alignment and overlay of the plaster model to the nose acquired with Artec Space Spider in MeshLab® using the ICP algorithmPurple: .stl dataset of the nose to be superimposed; Beige: reference modelYellow dots/landmarks: Nostril top right/left, nostril base point right/left, alare right/leftB: Both models after semi-automatic superpositionBack to article page