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February 26, 2026 14:23
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Bambu 3mf format reverse engineering
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| File list | |
| ========= | |
| Here are the files in the current 3dmake output, which at least prints: | |
| 3D/3dmodel.model | |
| [Content_Types].xml | |
| Metadata/_rels/model_settings.config.rels | |
| Metadata/plate_1.png | |
| Metadata/plate_no_light_1.png | |
| Metadata/pick_1.png | |
| Metadata/plate_1_small.png | |
| Metadata/model_settings.config | |
| Metadata/cut_information.xml | |
| Metadata/plate_1.json | |
| Metadata/top_1.png | |
| Metadata/project_settings.config | |
| _rels/.rels | |
| Metadata/plate_1.gcode | |
| Metadata/slice_info.config | |
| Metadata/plate_1.gcode.md5 | |
| Relevant metadata | |
| ================== | |
| Things I noticed in the files that might need updatin | |
| - bounding box in Metadata/plate_1.json | |
| - Layer height in Metadata/plate_1.json | |
| - Nozzle diameter in Metadata/plate_1.json | |
| - Prediction in ./Metadata/slice_info.config (in seconds) | |
| - Weight in ./Metadata/slice_info.config (in grams) | |
| - Slicer settings in ./Metadata/project_settings.config | |
| Printer Model Numbers | |
| ===================== | |
| A useful list can be found here: https://wiki.bambuddy.cool/features/virtual-printer/#printer-model-selection | |
| Info About Specific Files | |
| ========================= | |
| Metadata/slice_info.config | |
| -------------------------- | |
| A blank line at the top of this file will cause it not to be parsed and Bambu Connect will give an error. | |
| prediction = seconds (can be float) | |
| weight = grams (must be integer) | |
| changing printer_model_id doesn't seem to affect Bambu Connect compatibility list. | |
| other keys info detailed extensively here: https://trello.com/c/lGJ9mmCU/78-populate-3mf-config-with-correct-machine-id | |
| TODO pull the above in here if we need it | |
| Metadata/project_settings.config | |
| -------------------------------- | |
| Without this file Bambu Connect won't import (no error, but it will just act like I never selected the file). | |
| If I delete everything but {} inside I get this error: "Cannot read properties of undefined (reading 'map')" | |
| "upward_compatible_machine" doesn't seem to be what populates the compatibility list in Bambu Connect. I can delete all of them and still get the same result. | |
| "printer_settings_id" and "printer_model" don't seem to affect that list either. | |
| gcode file | |
| ---------- | |
| editing print_settings_id in this file does not seem to affect Bambu Connect compatiblilty list | |
| editing printer_model also doesn't affect it |
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