Home position and calibration of Makelangelo 2.5

Home Forum Makelangelo Polargraph Art Robot Home position and calibration of Makelangelo 2.5

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  • #10776
    AvatarAnonymous
    Inactive

    I’m getting started with the Makelangelo 2.5 drawbot, and I’m having difficult setting up the home position and calibration — it’s very inconsistent and erratic. Are there any guidelines for calibrating the initial set up?

    Thanks, Chris

    #10777
    DanDan
    Keymaster

    “m4 calibration.pdf” is included in the download zip file. Print it without scaling.
    Position the paper at the top center of the board.
    Move the pen holder until it matches the outline of the pen holder on the paper.
    Set Home.

    Done!

    #10779
    AvatarAnonymous
    Inactive

    I’m sorry I don’t see the “m4 calibration.pdf.” There was no attachment.

    Also, an item comes up in the “calibration” search with this broken link:

    Click to access m4%20calibration.pdf

    –Chris

    #10780
    DanDan
    Keymaster
    #10804
    AvatarAnonymous
    Inactive

    Sorry, if I’m being obtuse, but I still can’t resolve the proper registration and calibration issues. I’m not sure where to position the “top center of the machine.” I have placed the calibration diagram sheet with the top aligned to the center point of the board. Still, the drawing area tends to gravitate even lower — I can not manually raise the pen higher than about 100-200 mm below the center point. Here’s a picture of my set up:

    https://drive.google.com/open?id=0B8y4sTNbZClvN0lWQS1JTG1mb1k

    Thanks, –Chris

    #10805
    DanDan
    Keymaster
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