blender-ogrexml-1.9 software package provides Blender Exporter for OGRE, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install blender-ogrexml-1.9
blender-ogrexml-1.9 is installed in your system.
Make ensure the blender-ogrexml-1.9 package were installed using the commands given below,
$ sudo dpkg-query -l | grep blender-ogrexml-1.9 *
You will get with blender-ogrexml-1.9 package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Graphics |
| Package | blender-ogrexml-1.9 |
| Version | 1.9.0+dfsg1-7 |
| Description | Blender Exporter for OGRE |
| Sub Section | Graphics |