Binary package “libbulletworldimporter2.81” in ubuntu trusty

professional 3D Game Multiphysics Library -- world importer

 Bullet professional 3D Game Multiphysics Library provides state of the art
 collision detection, soft body and rigid body dynamics.
 .
 This package contains the BulletWorldImporter shared library which can be
 used by Blender and other Software to export or import the Bullet physics
 file format.
 .
 For more information about Bullet, please refer to the libbullet-dev package.