There are several CNC machines available at makersmiths and each one has their own settings and usage scenarios.  

Roland Modela MDX-40

Open Builds CBeam

CNC Plasma Table (Archived)

CAD and CAM

There are a lot of different options when it comes to CAD and CAM software available.  We currently use the following tool chains:

End Mills

End Mills for Makersmiths CNC machines may be purchased at the following locations and/or websites:

Leesburg:

Woodcraft has an assortment of end mills & router bits; many suitable for cutting wood

Web Sites:

Kodiak Cutting: http://www.kodiakcuttingtools.com/

Think & Tinker: http://www.precisebits.com/