The Meshes toolbar allows you to mesh 1D, 2D and 3D geometries.
See Meshing 1D Beam Geometries
See Surface Meshes Sub-toolbar
See Solid Meshes Sub-toolbar
See Creating Octree Triangle Meshes
See Creating Surface Meshes
See Creating Octree Tetrahedron Meshes
See Creating Tetrahedron Filler Meshes
See Creating Sweep 3D Meshes