magnet:?xt=urn:btih:31b6352f02a929e68e168ae9213e960cdd3779ba&xt=urn:md5:acfe4fc4b17f08040b45d395421ccdf1&xl=235657407&dn=qt-3dstudio-opensource-mac-x64-2.5.0.dmg&as=https://download.qt.io/official_releases/qt3dstudio/2.5/qt-3dstudio-opensource-mac-x64-2.5.0.dmg&tr=http://bt.qt-project.org:6969/announce