Go where openframework is installed and, then, go in the folder OF_ROOT/apps/myapps (we will call the root of openframework installation OF_ROOT), here install the knit app. For example type the following command in a bash shell: >> git clone https://github.com/MaloDrougard/knit.git
Launch qtcreator, in the welcome page click on Open project and chose the file OF_ROOT/apps/myapps/knit/knit.qbs
In the file OF_ROOT/apps/myapps/knit/src/ofApp.cpp adapt the paths to your file system. (Change the absolute path at line 11,12 and 13)