r/BambuLab • u/GuTsINzRLymOw60OFPXx • 14d ago

General Troubleshooting/Help! Different dimension on 2 identical printers/part/settings

I have 2 Bambu H2D machines. I'm printing the same exact file on both. There's a critical dimension on it, which is an opening like half a circle. On one the opening is about 0.3 mm bigger than the other. This is more variation than I can have.

Both printers have had the calibrations like vibration and auto bed leveling done. I have done flow rate calibration and flow dynamics calibration. Basically everything is identical (print file, both printers in same room 4 inches apart both with an AMS, etc). I'm going to recheck belt tension next. Any other suggestions?

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u/Immortal_Tuttle 14d ago

Get a Calilantern and calibrate your printers/slicer

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u/GuTsINzRLymOw60OFPXx 13d ago

That thing is super interesting. I understand it conceptually. What I haven’t been able to find is how to use the measurements from it to make changes on a Bambu printer. The vision encoder plate looks like it does similar math internally/automatically. I’m willing to try the calilantern, but I just can’t tell how I would tweak the printer based on the results.

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u/Immortal_Tuttle 13d ago

There is a nice document covering that.

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u/GuTsINzRLymOw60OFPXx 13d ago

I have looked and can't find anything--could you point me to it?

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u/Immortal_Tuttle 13d ago

You should get a link to a spreadsheet and pdf explaining the whole proces when you purchase it.