I don't think it's a good idea to print a 3d gun.

3D Printing
,
1

I don’t think it’s a good idea to print a 3d gun.
http://www.theguardian.com/uk-news/2013/oct/25/police-3d-gun-greater-manchester

2

Well depends what you want to do with it. Also they very dangerous, can shatter in your hand.

3

You literally have a 50% chance of losing your thumbs, if you print a gun on a thermoplastic extrusion machine. There are better, more efficient ways to make a weapon more reliably.

4

Its not a gun. Its spares for the printer. And why do you need a magazine for a one shot item.
This police force has been known to say drugs raid where no drugs found. Enter the wrong property and other things. Their press office is well known to do press releases without checking facts.

5

Well, there is no doubt that the parts shown are for a 3d printer. Makes me sad that any intricate plastic mechanism is now associated with printed guns. Here is the proof by the way: http://www.thingiverse.com/thing:53125

6

Of cause it isn’t
Also a 2D gun is much easier to print.
(as in Image of a Gun)

7

Im not sure the world is ready for this but here’s another 3Dprinted weapon! https://plus.google.com/104892210945151500865/posts/5mSEazvSX5S