FabioLolix [1] filed a deletion request for qt3dstudio-git [2]: qt3dstudio don't seem to be open source or available to public anymore, reported troubles downloading source since 2017-12-23, https://code.qt.io/qt3dstudio/qt3dstudio.git is 404, github mirrors are empty https://github.com/qt3dstudio/ [1] https://aur.archlinux.org/account/FabioLolix/ [2] https://aur.archlinux.org/pkgbase/qt3dstudio-git/