Scene files saved in Maya Ascii format (.ma) can be also exported to common 3D objects (.obj). You can definitely make it using Autodesk Maya, but if you do not have access to this software you need to rely on some dedicated 3D/CAD translation software, such as PolyTrans.
Convert Autodesk Maya ASCII scene to 3D object graphics.
We have found 2 software records in our database eligible for .ma to .obj file format conversion.
Microsoft Windows software - convert ma to obj on Windows
A multi-platform 3D modelling application
Convert from ma file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned ma to obj. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
A 3D CAD translation softwate