Qt5.7 offline: qt3d/qgltf example not compiling

12:10:18: Running steps for project qgltf...
12:10:18: Configuration unchanged, skipping qmake step.
12:10:18: Starting: "/usr/bin/make" 
g++ -c -pipe -g -std=gnu++11 -Wall -W -D_REENTRANT -fPIC -DQT_QML_DEBUG -DQT_3DEXTRAS_LIB -DQT_3DRENDER_LIB -DQT_3DINPUT_LIB -DQT_3DLOGIC_LIB -DQT_3DQUICK_LIB -DQT_3DCORE_LIB -DQT_QUICK_LIB -DQT_GUI_LIB -DQT_QML_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -I../qgltf -I. -I../../../../5.7/gcc_64/include -I../../../../5.7/gcc_64/include/Qt3DExtras -I../../../../5.7/gcc_64/include/Qt3DRender -I../../../../5.7/gcc_64/include/Qt3DInput -I../../../../5.7/gcc_64/include/Qt3DLogic -I../../../../5.7/gcc_64/include/Qt3DQuick -I../../../../5.7/gcc_64/include/Qt3DCore -I../../../../5.7/gcc_64/include/QtQuick -I../../../../5.7/gcc_64/include/QtGui -I../../../../5.7/gcc_64/include/QtQml -I../../../../5.7/gcc_64/include/QtNetwork -I../../../../5.7/gcc_64/include/QtCore -I. -I../../../../5.7/gcc_64/mkspecs/linux-g++ -o main.o ../qgltf/main.cpp
../qgltf/main.cpp:51:20: fatal error: window.h: No such file or directory
 #include <window.h>
                    ^
compilation terminated.
make: *** [main.o] Error 1
12:10:18: The process "/usr/bin/make" exited with code 2.
Error while building/deploying project qgltf (kit: Desktop Qt 5.7.0 GCC 64bit)
When executing step "Make"
12:10:18: Elapsed time: 00:00.