Nokia releases 3D-printing specs for making custom Lumia 820 back covers

Print your own Lumia 820 cover with this Nokia 3D schematic | The Verge

BBC News - Nokia backs 3D printing for mobile phone cases


Little surprised this hasn't been mentioned here already.
A genuinely original idea from Nokia.

It is a neat idea. Would be nice to have a third party accessory that actually fits.

That's another way to customize your phone