Filer
The Filer object defines functionality for saving and loading project files.
To save the current project:
R3DoA(filer, R3FIRM_SAVE, NULL);
To save the current project with desired file name:
R3Do(filer, R3FIRM_SAVEAS,
R3T(R3FIRA_FileName, "myfile.r3d"),
R3T(R3FIRA_ProjectSave, TRUE),
R3TAG_END);