magnet:?xt=urn:btih:215528b8fbf7704aa6b6007040097bf95d4c1488&xt=urn:md5:5a23915272abb2d71c0973f916913783&xl=10828637&dn=qtcanvas3d-opensource-src-5.7.1.7z&as=https://download.qt.io/new_archive/qt/5.7/5.7.1/submodules/qtcanvas3d-opensource-src-5.7.1.7z&tr=http://bt.qt-project.org:6969/announce