magnet:?xt=urn:btih:f4141e10d3526d802afc3442b321c5fe7eeafcee&xt=urn:md5:dbebd92a71a595849ebdbb29e87d7ad6&xl=19412807&dn=qt3d-opensource-src-5.7.1.7z&as=https://download.qt.io/new_archive/qt/5.7/5.7.1/submodules/qt3d-opensource-src-5.7.1.7z&tr=http://bt.qt-project.org:6969/announce