Do you use the plugin for QVTKWidget and directly insert or you promote a widget to it? How do you include the VTK include files in Qt Creator? Thanks, Ahmad -- View this message in context: http://vtk.1045678.n5.nabble.com/VTK-for-Win64-vs-Win32-tp5480905p5481334.html Sent from the VTK - Users mailing list archive at Nabble.com.