STL file: http://www.geekhaus.com/makerhome/day71_snowflakes2.stl
Tinkercad link: https://tinkercad.com/things/3tb6CmIKKhg-day-71-snowflakes-part-2
Thingiverse link: http://www.thingiverse.com/thing:178379
Settings: MakerWare low/.3mm to get these in one layer.