Fixed by throwing in a handful of additional mimetypes and by supplying the file name to the binary, to actually open a doubleclicked file.
** Attachment added: "/usr/share/applications/meshlab.desktop patched" https://bugs.launchpad.net/ubuntu/+source/meshlab/+bug/1077620/+attachment/3430838/+files/meshlab.desktop -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1077620 Title: Meshlab does not register as a handling application for STL files To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/meshlab/+bug/1077620/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs