I've tried mailing you with a response to your email. None of my email servers will mail to arcor.de anymore for some reason. So, here is your answer.
Try this one, you may be giving the wrong name to something. Open the *.bat file and look at it. I've included the fake *.3di (whatever.3di) to pack. Put both files into the same directory with pack.exe. Look for the testpff.pff after double-clicking on the testpff.bat file.
