3D Printing is without a doubt the next big thing, there is already a growing market for desktop 3D printers with thousands of good and bad "things to print at home". Paving the way for second industrial revolution, 3D printing is soon going to change how we construct buildings with automated Robotic Construction System's which will allow us to make concrete structures on site - and the best thing is we already have a working concept system ready doing that demoed on video as shared ahead.

"Contour Crafting" - the company behind world's first working "Robotic Construction System" has built a prototype 3D printer which uses concrete to "print" walls and will enable construction of entire structures on site as demoed in the video, this technology is not only cheaper than today's "traditional" counstruction methodolgy but also very faster as this machine can build a 2,500 square feet house in 20 hours.

As planned DEFCAD released the fully 3D printable gun sketches online which clocked up more than 100,000 downloads within its first two days of release. Soon after getting popular the United States Department of Defense kicked in and censored the file downloads claiming control of the information. However, 3D printable CAD files for the world's first 3D printable pistol named "Liberator" are still available for download on numerous other file-sharing portals and torrent websites like ThePirateBay.

It seems the censorship by United States Department of Defense, and the media coverage it resulted eventually lead to the issue and files getting more limelight and publicity. Resulting to this popularity, the full first page of ThePirateBay's 3D file section is now populated with various torrents of these files only.

The team behind DefenseDistributed.com, the much talked about open-source, free to download and 3D printable lethal gun project have announced there next initiative - an uncensored search engine for open source 3D printed weapons and it's parts.

After being censored and criticized for providing lethal weapons without regulation in hands of general public, DefenceDistributed has now came up with the plan to host its own search engine for all types of 3D printable files, which will be free from censorship and government takedowns.

Desktop 3D printing is the next big thing to happen in printing technology. While there can be some unintended uses, the technology is aimed for good and will empower users with ability to print solid objects from digital models affordably. The new upgraded model is 37% bigger than the original, and features finer prints with greater accuracy at 100 microns per inch. The upgraded model will enable users to print larger, faster, and more detailed objects.

MakerBot is a well-known name when it comes to desktop 3D printing, and they have now unveiled their second generation of popular desktop 3-D printer - "The Replicator 2".

Don't forget to watch the MakerBot Replicator 2 in action video posted below.

3D printers are the next big evolution in printing technology, with now readily available open-source, DIY and consumer 3D printers users can simply print objects like any other document.

Using this new, now readily available technology a team of friends who like to call themselves "Defense Distributed", has now launched the project "Wiki Weapon Project" with aim to design the world’s first 3D printable gun. To get a gun all a user need to do is to download the free sketch file from Internet and 3D print it.

With the current progress a user can get the government regulated and serialized parts 3D printed at home and get other from market to make an firearm. A video introduction to the 3D printable gun is posted below.

In a world increasingly concerned with questions of energy production and raw material shortages, this project explores the potential of desert manufacturing, where energy and material occur in abundance. In this experiment sunlight and sand are used as raw energy and material to produce glass objects using a 3D printing process, that combines natural energy and material with high-tech production technology.