assimp-utils software package provides 3D model import library (utilities), 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 assimp-utils
assimp-utils is installed in your system.
Make ensure the assimp-utils package were installed using the commands given below,
$ sudo dpkg-query -l | grep assimp-utils *
You will get with assimp-utils package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Utilities |
| Package | assimp-utils |
| Version | 3.0~dfsg-2 |
| Description | 3D model import library (utilities) |
| Sub Section | Utils |