Your bug reports and suggestions are most valuable for improvements in 'freeCAD'. If you have example assemblies to share so that others can benefit from your work, please let me and others know about them. I can include them on this site if you want. If you like programming, I welcome you to look at the open source and discover the wonders of pure object oriented programming and the productivity gains that can be had. Finally, but not least, please tell your friends and colleagues about 'freeCAD'. Thank you very much for your contributions.