VR Headset (HMD)

v3a.stl - minor updated version:
- with extra strap mount (upside)
- NO explicit support material (you must use support material)
- strap mount smooth

v2a.stl:
- Explicit support material

Remix from http://www.thingiverse.com/jarradhope
Changelog:
- Improved nose slice
- Perfect fit for Google Cardboard lens (25 diameter / 50 focal length). You will find it on aliexpress.
- Added (hardcoded) support material, you don't need to print with support material
- Improved elastic holder
- Pin mark to align with screen center
- Elastic holder angle adjustment
Tested with:
- Nexus 4
- Nexus 5
- Xperia ZL
- Galaxy S4
* See Instructions!