Buildplate for Smartrap

UPDATES:
_18. Feb 2014_
- a new buildplate has been created by Storhemulen
- http://www.thingiverse.com/thing:252124
- it's a little larger 210x210

_18. Jan 2014_
- included all of Serge's updates from 17.01.2014
- added a second buildplate without auto-leveling support

_6. Jan 2014_
- added latest revisions to the base plates from Serge

_3. Jan 2014_
- X and Y ends were too big. Now 8mm

_1. Jan 2014_
- Added x-end

_31. Dec 2013_
- Added fishing line tensio