Just to show you what I've been working on lately.
Again, it's going to be 3D printable, but also CNC-able. The design is such as so it will reduce the 3D printing artifacts to keep the quality of the parts more aesthetically pleasing.
Looks very nice, and very machinable!
EDIT: Not certain but looks like 45 bucks in materiel, if you're going aluminium. A steel version would be sick though, only probably weigh 30 pounds.