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A comment on Show HN: I built a CNC-machine from scratch, using 40x 3D-printed parts. Parent comment

Re:Show HN: I built a CNC-machine from scratch, using 40x 3D... by jacquesm on Wednesday November 03, 2021 @05:30PM (#29100537)
What a fantastic project. Is the design parametric, in other words, are there parts that would need to be scaled up to have larger x, y or z axis or are those all off the shelf and are the various STL files for the components the same if the design is scaled up?
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Re:Show HN: I built a CNC-machine from scratch, using 40x 3D... by mfi on Wednesday November 03, 2021 @05:40PM (#29100665)
Glad you like it, most cred should go to Ivan Miranda for the core design, I just executed, updated some parts and wrote a guide around it :)

No, it's not parametric in that way. But it is possible to extend the "mill-bed" by:

* X-axis: Increase length of frame and bridge profiles. Buy longer MGN12H rails used for the X-axis.

* Y-axis: Increase length of frame profiles. Buy longer MGN12H rails used for the X-axis.

* Z-axis: Increase the vertical beams between lower and upper frame. Buying longer MGN12H rails used for the Z-axis and a longer acme rod.

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