Welcome to the project page for the Polaris CNC.
Currently the CNC is at V1.0 . Yep, the very first version. So it hasn’t even been built twice. So it’s early stages. However, there is a 3D auto-generated build guide made with Lego Digital Designer.
Here’s a timelapse of it drawing with a pen.
The CNC is built out of lego mindstorms parts and is extremely precise making it capable of producing fine prints (sub 0.5mm) when a pen is attached. Building a machine currently requires around 149 standard lego parts along with some extras like magnets and something flat to draw on.
See here for lots of photos: http://www.flickr.com/photos/lochieferrier/sets/72157628107894541/
See here for the build guide.
See here for example prints: