The APM Preprocessor does not have built-in meshing capabilities. As a result you have to use a 3rd party meshing software capable of creating meshes in .stl format. Examples of meshing software are:
Although OpenVSP is not a meshing software, it has meshing capabilities and can be used to create meshes in .stl file format. For more information, refer to the OpenVSP section.
Any meshing software capable of creating meshes in .stl file format can be used.