**System Information**
Windows 8.1 Pro, Sapphire Radeon R7 260X
**Blender Version**
Broken: Blender 2.72a
**Short description of error**
The Subdivision Surface modifier has created an odd shape on the back of a phone I have been modelling.
**Exact steps for others to reproduce the error**
Unknown. I have tried to figure this out multiple times, but had no luck. Sorry.
{F128545}