Servo Motor Arm Not Long Enought? Makelangelo on Glass

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  • #10978
    AvatarAnonymous
    Inactive

    Hi Again,
    We find it very difficult to position the dry-erase marker to both draw effectively and have the short servo arm push out further than the marker.

    I believe this is because we are using suction cups on a glass window and the pen-holder is at a slight angle.

    I can attempt to extend the the servo arm, but I am wondering if there is an easier solution.

    View post on imgur.com

    View post on imgur.com

    #10979
    DanDan
    Keymaster

    Different pens change the center of mass and create the tipping problem.

    One method is to adjust the belt position on the long screws at the top of the pen holder. This should fix the tilt and get better contact on the glass.

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