His latest one is CNC Dummies for Routers (see below ... especially if you are only used to 3D printing. For example, the pig cut out gets tabs to keep it from flying out before the cutting ...

[Marius Hornberger] has been busy hacking his “Hammer” CNC router again, and now it sports a much desired feature — an automatic tool-changer. Having wanted one for a while, [Marius] was ...

For example, using Easel ... wide variety of materials and use the machine as either a laser engraver or a CNC router. In my opinion, it's one of the best options on the market at present.