Android follows normal java package conventions plus here is an important snippet of text to read (this is important regarding the wide use of xml files while developing on android).he concept comes from Package Naming Conventions in Java, more about which can be read here:*. http://en.wikipedia.org/wiki/Java_package#Package_naming_conventions. Source: http://www.quora.com/Why-do-a-majority-of-Android-package-names-begin-with-com.
Files that contain the .3ds file extension are most commonly associated with the Autodesk 3D Studio software.he 3DS files that are used by the software contain a variety of information used to form a three dimensional scene, like coordinates, list of polygons used to form the objects, color information etc.
Blender is used by NASA for publicly available 3D models. Many 3D models on NASAs 3D resources page are in a native .blend format. NASA also used Blender and Blend4Web to develop an interactive web application to celebrate the 3rd anniversary of the Curiosity rover landing on Mars.