Help 2021.1 Help Command by Command Surface Modeling 3D Mesh Refine Mesh Refine Mesh from Cloud Interpolation Refine Mesh from Cloud Refine Mesh without Cloud Constraint Mesh Extrude Linear Extrusion Profile along a Path Pipe / Tube along a Path Spherical Mesh 2D Mesh Convex Hull DTM DSM Building Extractor Clean / Separate Mesh Replace a Part Join 2 Contours Bridge Fill Holes Smooth Mesh Global Smoothing Local Smoothing Cut Mesh Inspection Steps Borders Smooth Borders Define Borders Sharp Edges Reduce Subdivide Write on Mesh Eliminate Spikes Group Group Mesh Merge Common Borders Stitch Meshes Ungroup Mesh Check Integrity