This topic contains 3 replies, has 3 voices, and was last updated by  Barry 10 months ago.

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    Hey guys, I’m pondering getting into the CNC router game, and I like the ideas here with the MPCNC.

    In the end, I’d want to be cutting some bigger stuff 48×48″, etc. But it seems like this system should be pretty easily expandable, and it would be easier to get something up and running and testing it using a pen on paper (rather than router and wood) in my office, on a much smaller platform.

    Could I start out by building MPCNC on 12″ or 18″ conduit, and then later just replace the conduit with 36″ or so, and recalibrate, and be good to go? Is that a bad idea for some reason I’m not thinking of yet?

    Thanks, all.



    Best way to do it!

    4’x4′ is asking a lot depending on your expectations. As long as you understand what I put down in the FAQ’s you’ll be fine.



    I saw the note about extra mid-span supports. I haven’t yet seen those implemented anywhere? They would have to just be small point supports from the bottom, to keep from interfering with the bearing slides, yes?

    It’s all long term, I just wanted to see if it would be as easy to expand the dimensions as it seems.

    Start small, work up.




    Hey Nick. That’s exactly what I did. Started out with the recommended starter size then upgraded to about 5′ square, which gives about a 4′ square cutting area. Somewhere in the build section I’ve got photos of my build. There are a few this size now, so far I’ve not heard of any issues, but you will need mid span supports, and I wouldn’t go much bigger. I’ve not cut anything this big yet though, about 30″ in diameter so far, but the extra space was needed.

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