Yes, there is an exporter that will allow you to do this, I will give you a link for you to install the plug and all you need to do is follow my steps:
https://github.com/CuriousMike56/RoROgreAddons/releases/download/0.7.1-RoR/RoR_ImportExport_0.7.1.zip
Well, After you have installed it, open your blender, in the File option look for User preferences
View attachment 10403
Once you have done this, just below all options, this will be
View attachment 10406
By clicking on this option, look for where the RoR Importer & Exporter
.Zip folder is located,
Select the
.Zip folder, and restart blender
Now repeating the same processes as before, You will go to User preferences, and go to the Add-ons option,
There is an Importer-Exporter category within this option to make things easier, look for these two options:
View attachment 10412
Select these two options and BOOM, convert any "mesh." and send it directly to blender.
Hope this helps!!