magnet:?xt=urn:btih:b0f48043d59f1e78c3640525e81ffd9a4e170fd6&xt=urn:md5:52b1fddceac7158a28d9e91e6370cb82&xl=19720103&dn=qt3d-opensource-src-5.6.1.7z&as=https://download.qt.io/new_archive/qt/5.6/5.6.1/submodules/qt3d-opensource-src-5.6.1.7z&tr=http://bt.qt-project.org:6969/announce