I see other folks put the CNC stuff they make up on this site, so here's mine. This is close to the cheapest build possible. Well, the cheapest that will actually work. I have seen cheaper, but I doubt they could do much.
I know this don't look like much, because it isn't much. But it works OK. Did I mention I built it for about $200?
That's everything. The router (I got it at a flea market for $20), the electronics, all of it. That even includes the total cost of the PC. Which I got for $5. OK the screen was another $5, mouse and keyboard were a buck a pop. I found the plywood I used on the side of the road. It came with that lovely shade of gray on it.
Ask me what the Z axis is made out of.
http://i.imgur.com/47xFRPY.jpg That one score mark was in the hardboard already. It is just a piece of scrap. I don't think hardboard can hold detail very well. I need to actually try to cut some copper clad circuit board, and see how that goes.
Here's that file plotted with a pen http://i.imgur.com/rBM7NEG.jpg
Look at those tiny circles.
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