I have no basis for comparing controller boards running GRBL versus anything else. So, because I'm such a noob, I wanted to start with a tool that looked like it would be a good place to start, and then figure out which SW to run on it. I like the capability of 24" x 24" x 3" travel and appreciate user reviews of the product, especially its rigidity and overall build quality.
In my preliminary searches for CNC routers, read several good reviews of the BobsCNC Evolution 4 (the link I sent you was the Evolution 3 that has 16" x 18" x 3.3" z travel). I have been learning FreeCAD (I used to know SolidWorks a long time ago), and am interested in designing signs in FreeCAD, exporting the files so that they can be used by whatever SW package makes sense to use, but am pretty well set against paying for SW given my great success with all other Linux products, and the philosophy of free and open source software behind them. I am a recently converted fan of Linux, and would like to use as many Linux-based SW products as I can.
I am considering whether or not to purchase a CNC for hobbyist use for making signs, 3d sculptures with a 2" vertical dimension, and overall messing around.
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