qtdeclarative5-qt3d-plugin software package provides Qt 5 3D QML plugin, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install qtdeclarative5-qt3d-plugin
qtdeclarative5-qt3d-plugin is installed in your system.
Make ensure the qtdeclarative5-qt3d-plugin package were installed using the commands given below,
$ sudo dpkg-query -l | grep qtdeclarative5-qt3d-plugin *
You will get with qtdeclarative5-qt3d-plugin package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Libraries |
| Package | qtdeclarative5-qt3d-plugin |
| Version | 5.0~git20130731-0ubuntu5 |
| Description | Qt 5 3D QML plugin |
| Sub Section | libs |