Small Antenna Array (wargaming widget)

A simple 28mm wargaming terrain bit, intended to represent a small antenna array for sticking on buildings and other pieces or using as an objective.

I have a walkthrough of 3D printing based around this part on my gaming blog, [here](http://www.rocketshipgames.com/blogs/tjkopena/2016/05/3d-printing-for-wargaming-scratchbuilding/).