Staggered ferrocene model

My first attempt at creating a 3d model of a molecule. I'd welcome some assistance in improving the build.

## My build scenario
- Makerfarm i3v 8" prussa
- PLA (Gizmodorks)
- Slic3r v1.29
- Rectilinear detachable support, 3 interface layers with 2.5 mm spacing

## Some history
Originally printed the model with support enabled which consistently resulted in failure. Then tried to add my own support similar to [this thing](http://www.thingiverse.com/thing:55820) which also