Blender3mfFormat Export issue

Anyone have a fix for this? Win 10 w/ Blender 4.4

Mar 28 '25 21:03 techniciantucker

I am receiving the same error. New laptop, fresh install of Blender 4.4 and version 1.02 of this script. Windows 11.

Mar 31 '25 15:03 TheJester76

same issue with blender 4.4 and Mac

Apr 06 '25 10:04 wenyen-hsu

do some fix by myself https://github.com/wenyen-hsu/blender_44_3mf_addon.git will fork the code to review

Apr 07 '25 03:04 wenyen-hsu

Same issue- Win 10, Blender 4.4.1

Apr 27 '25 22:04 CMAYK

Same issue Blender 4.4.1 Mac M2, Mac OS 15.4.1 (24E263)

Apr 29 '25 12:04 glasscanvas

Ditto

May 05 '25 21:05 gpeyton

do some fix by myself https://github.com/wenyen-hsu/blender_44_3mf_addon.git will fork the code to review

Your code works for me

May 06 '25 17:05 Pheil

Hi I tried the branch fix but It is not working. I have tried changing the materials and error just hits the next material. I appreciate any help. Thank you very much.

Python: Traceback (most recent call last): File "/Users/carlos/Library/Application Support/Blender/4.4/scripts/addons/blender_44_3mf_addon-master/export_3mf.py", line 116, in execute self.write_objects(root, resources_element, blender_objects, global_scale) File "/Users/carlos/Library/Application Support/Blender/4.4/scripts/addons/blender_44_3mf_addon-master/export_3mf.py", line 271, in write_objects objectid, mesh_transformation = self.write_object_resource(resources_element, blender_object) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/Users/carlos/Library/Application Support/Blender/4.4/scripts/addons/blender_44_3mf_addon-master/export_3mf.py", line 393, in write_object_resource most_common_material_list_index = self.material_name_to_index[most_common_material.name] ~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^ KeyError: 'Material.blue.001'

Jun 18 '25 13:06 glasscanvas

gotten the same error on mutiple diffrent pcs, this same error on windows 11, gentoo and cachy os.

Oct 05 '25 20:10 testc2n14