QT front end for the cleanmodels-cli, a tool to fix and clean NWN:EE mdl files.
You can download binaries from the Releases tab.
On Ubuntu/Debian
$ git clone https://github.com/plenarius/cleanmodels-qt
$ cd cleanmodels-qt
$ mkdir build
$ sudo apt-get install qtbase5-dev
$ cd build && cmake .. && make
This will create an executable cleanmodels-qt binary in your current folder.