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.
Below is the list of popular 3D software, free or paid 3D software. Most of 3D printers require that you use 3D computer graphics software that saves objects in the STL(stereolithography) format. Free 3D softwares: 1  Google SketchUp-This Google SketchUp is fun and free, and is known for being easy to use.2  To build models in SketchUp, you draw edges and faces using a few simple tools that you can learn in a short time. 3  With with Push/Pull tool you can extrude any flat surface into a 3D form.ree 3D softwares: 1  Google SketchUp-This Google SketchUp is fun and free, and is known for being easy to use. 2  To build models in SketchUp, you draw edges and faces using a few simple tools that you can learn in a short time. 3  With with Push/Pull tool you can extrude any flat surface into a 3D form.