In theory, there’s isn’t much to building a CNC machine. Hook a bit to a motor and move the motor around with some lead screws and stepper motors. Easy. But, of course, the devil is in the details. [DAZ] made a nice-looking and inexpensive rig that probably isn’t the most precise CNC in the world, but it looks like it does a good enough job and he claims he spent about $50 on it. The video below shows some of the work it has done, and it doesn’t look bad.
This isn’t a rainy afternoon project. You’ll need to cut some wood and 3D print many parts. The drives use M8 threaded rod. Electronics is just an Arduino running standard software.
This story from TechDirt lays out yet another reason I recommend that folks DON'T use the email provided to them by their ISP. My typical recommendation right now is to get a Gmail account instead. It also points out why I want to manage all my SPAM on my end, without pre-filtering from an ISP. I will gladly manage my spam if it helps to insure that I see as many of my "real" messages as possible. Again, Gmail's tools work pretty good in this regard. Having an alternative email account also insures you will keep the same email, even if you decide to leave your current ISP. Witness all the folks holding onto AOL accounts just to keep their AOL email address. Thank goodness at least that is free now. AT&T's Spam Filter Gets A Bit Too Aggressive You can certainly understand why ISPs offer spam filters. It's a service for users who don't want to be totally bombarded with spam. But what I've never understood is that these ISPs rarely give the user a
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