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  1. #11
    Expert 3D Printer
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    Jan 2017
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    I canceled my pledge. I decided it was too much of a gamble. It may be an awesome printer and it may be a dud. I didn't want to be dealing with troubleshooting a 4th printer if it came to that.

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  3. #12
    3D Printer Legend
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    Nov 2016
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    Aha, this was the thread... Here you go M... the tech issues with this type of lift setup.
    https://all3dp.com/e3d-bigbox-3d-pri...ic-time-lapse/


    Quote Originally Posted by Mythandar View Post
    In a moment of weakness I backed it last night. I may cancel my pledge, I'll think on it.

    I have 1 one of these on order http://sites.printm3d.com/promega.html 15 inch build volume and dual extruder, yowza. I had backed their m3d pro and they let ppl upgrade their pro to the promega, only cost me 300 more. Yes I'm crazy.

    So I'm not sure how my wife will handle me getting a 4th printer.

  4. #13
    Expert 3D Printer
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    Jan 2017
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    Quote Originally Posted by TommyDee View Post
    Aha, this was the thread... Here you go M... the tech issues with this type of lift setup.
    https://all3dp.com/e3d-bigbox-3d-pri...ic-time-lapse/
    Are you referring to the z-wobble? From what I've read, any printer that uses lead screws or threaded rods for the z axis can have that issue if the quality isn't great. My geeetech had bad z-wobble until I did some modifications.

    Recently, m3d has changed their design so they won't have z screws on their promega. They are using belts.

  5. #14
    3D Printer Legend
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    Nov 2016
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    I am more considering the tracking of the bed to the true z-position.
    Something more along the lines of bed tilt from stiction as the vertical guides wear.
    The technical challenge to making this work -and last- are significant.

 

 

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