Fig. 5From: The Alpstein in three dimensions: fold-and-thrust belt visualization in the Helvetic zone, eastern SwitzerlandExample of surface construction process. a Cross-sections PfC and PfA, which were digitized in 2D Move and imported in 3D Move, are shown in a 3D view. b Traces of bedding or faults in adjacent cross-sections, which are interpreted to be part of the same structure (red and green bold segments in a), are connected by interpolationBack to article page