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+Overview
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+File format: VTK - Binary or ASCII VTK(The visualization toolkit) data. 
+Method of data collection: These files were manually crafted in Blender as .stl
+files and converted to VTK through VTK library utilities.
+Software: For viewing we should use ParaView. 
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+Data variables
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+These files contains triangular meshes for representing 3D geometries.