You can mesh 1D, 2D, and 3D geometries.
About Meshes Mesh Part Manager Octree Meshes Surface Meshes Sweep 3D Meshes Tetrahedron Meshes Meshing Rules Adding Local Mesh Specifications Mesh Parameters Hex-dominant Meshing Partition Hex Meshing Creating Tetrahedron Filler Meshes Voxel Meshes Using the Surface, Tetrahedron, and Partition Hex Meshers Creating 2D Hole Meshes Beam Meshes Creating Transformed Meshes Updating Meshes Editing Meshes Removing Meshes Node and Element Numbering