3D printers are scary.

[altus]

Or you can buy one it kit form (Reprap) for £400 or less

 

I wanted to demonstrate they'd become consumer products available from well known stores. Besides which, I doubt you can get a kit version of a £700,000 laser cutter.

 

---------- Post added 09-05-2013 at 12:12 ----------

 

There's an article in the Guardian today about the 3d printed gun: 3D-printed guns: expert warns of threat to user.

 

From the article:

Wilson, 22, has managed to produce a gun using a commercial 3D printer which successfully fired a shot – but in testament to his own nervousness about safety, he used a piece of string 20ft long attached to the trigger.

 

Wilson is the guy who designed the gun.