Smoothieboard v2-mini engraving the Open-Source Hardware logo :  https://www.flickr.com/photos/wolfmanjm/36688764273/ Picture of the result : 

Controllers Smoothie
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Smoothieboard v2-mini engraving the Open-Source Hardware logo :

https://www.flickr.com/photos/wolfmanjm/36688764273/

Picture of the result : https://www.flickr.com/photos/wolfmanjm/37328449462/

Jim is making awesome progress on the v2 firmware. Still a ton of features lacking, but basic machining is there, this is really cool progress.

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I think enough features are there to 3d print, Extruder, heaters, thermistors all seem to work. There is a switch module, and a laser module .