Qt Quick 3D - Principled Material Example
  QT += quick quick3d-private
  target.path = $$[QT_INSTALL_EXAMPLES]/quick3d/principledmaterial
  INSTALLS += target
  SOURCES += \
      main.cpp
  RESOURCES += \
      qml.qrc \
      materials.qrc
  OTHER_FILES += \
      doc/src/*.*