3D Printer Update

March 12, 2013 by
Filed under: Gear, RKBA, Technology 

Last time I went on about 3D Printers was back in October 2008.  Time for an update.

There are more options out there than the RepRapEngadet has a “consumers guide” to 3D printers.

What I found interesting is that there are some sub $1,000 models.  Granted, most of those are Kickstarter projects, but it shows that these things are getting some traction in the geek hobby market.

That expanding base also means a greater number of programmed designs as people share their experiments.

One that is sure to cause a stir is Defense Distributed’s plan to design a 3D printable firearm.  They have designed, and printed an AR-15 lower.  They have put over 600 rounds though a firearm using that printed lower in a single day.  They claim that it should be able to handle a 1,000 rounds.

The AR-15 was a good choice.  It is one of the most popular civilian firearms in the US, and as Gun Geeks will tell you, it’s the general purpose PC of firearms.   It is very modular, with the ability to change stocks and uppers easily. It also has a large market of add on accessories, including pink plastic parts for the female (or male who just likes pink) shooters.

The inter-changeable upper (which includes the barrel) is key.  You can convert your .223 AR-15 to 5.55mm NATO, .308 Winchester, .22 LR or even .50 Beowulf.  All the same firearm by current US regulations.

On the lower end of the 3D printing scale, is the EDoodler.  A hand held devices that extrudes a steam of heated material that you can create whole pieces or parts of a larger object.  This is another Kickstarter project which blew past its original goal of $30,000  pretty fast.  They have pledges of over $2 million and still have three weeks to go for fundraising.

Going even lower end, you have InstaMorph.  I know people who swear by this stuff for really Q&D projects.  You heat the stuff up and then are able to mold it.  When it cools, it hardens.  Kinda like a gateway drug for 3D printing.

Originally posted at Urbin Technology

Update: Just how versatile is the AR-15 you ask, here is an upper designed for black powder use! There is even a crossbow upper.

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