The >tetin command exports the current geometry to a
                Tetin (.tin) file that can be read into ICEM CFD
                products.
>tetin requires the following argument:
3.2.9.1. tetin Command Example
The following is an example >tetin command, and the
                    expected results.
> tetin filename = mytetin.tin
This command writes the current geometry to the
                        mytetin.tin file.