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5.4.1 Meshing Primitives
When the object is a primitive, that is, created with one of the geometry creation tools, the command window will list the mesh creation parameters for that particular object. Most primitives will be meshed with a so-called butterfly mesh. These primitives have a simple rectangular box as center. The rest of the mesh is a projection from this box to the respective geometry. For instance, for the sphere the surface of the inner box is projected onto a sphere. This projection is segmented to create several layers of elements. Note that all solid primitives are composed of 8-noded hexahedral elements and all shell primitives are composed of 4-noded quadrilateral elements. After you changed the mesh parameters simply press the Apply button to create the new mesh. To show the mesh in the Graphics View select the View/Toggle Mesh lines menu or use the ' ' shortcut.