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Continue to ChatQuery : Voxel smoothing on sketchup I have imported this 3D model from a voxel editing application and used the sketchup tool "soften edges" with 180deg angle between normals and both "smooth normals" https://vmapp.org/query/60319/Voxel-Smoothing-On-Sketchup-I-Have-Imported-This-3D-Model-From-A-Voxel-Editing-Application-And-Used-The-Sketchup-Tool-Soften-Edges-With-180deg-Angle-Between-Normals-And-Both-Smooth-Normals/