by nutti·Workflow
Images © nutti. Used for product review; image policy.
MQO (Metasequoia) Format File Importer/Exporter earns its place in the Blender extensions library as a focused .mqo bridge to Metasequoia, with granular import and export toggles and a maintained GitHub project behind it.
MQO (Metasequoia) Format File Importer/Exporter, developed by nutti, connects Blender and Metasequoia through the .mqo file format. The add-on works in both directions, so models can be brought into Blender or sent back out to Metasequoia from the standard File menu.
On import, it reads objects and their meshes, UV maps, materials, the Mirror modifier and vertex weights. Options let you toggle whether objects, materials and vertex weights come in, and an import prefix can be added to object and material names. A Selective Import setting in Preferences lets you pick which objects and materials to load, up to configurable limits.
Export covers objects and meshes, UV maps, materials and vertex weights, with all modifiers applied before the file is written. Two export modes are available: Selected Objects, which also brings in dependent assets, and Manual, which exports assets chosen by name without resolving dependencies. Version 2.0.0 targets Blender 4.2 LTS and newer and is released under the GNU General Public License v3.0 or later.
MQO (Metasequoia) Format File Importer/Exporter is best for moving models between Blender and Metasequoia through .mqo files, including objects, UV maps, materials and vertex weights.
MQO (Metasequoia) Format File Importer/Exporter is completely free to download and use.
MQO (Metasequoia) Format File Importer/Exporter is compatible with Blender 4.2 LTS and newer. Version 2.0.0 became available through extensions.blender.org, so you can add it directly from Blender's extensions system. If you run an older Blender release, this version won't be supported, since 4.2 LTS is the stated minimum. Checking the developer's GitHub page is the best way to confirm behaviour on later Blender releases.
blender-mqo can be added by dragging and dropping it into Blender, or by downloading the add-on and using Install from Disk. Version 2.0.0 is distributed at extensions.blender.org, and the download is a small .zip weighing 21.1 KB. Once installed, import and export commands appear under File > Import and File > Export as Metasequoia (.mqo). The developer's page links to a tutorial covering setup and the available options.
MQO (Metasequoia) Format File Importer/Exporter includes a Selective Import option in its preferences. When enabled, you can choose which objects and materials to bring in, up to the counts set by the Importable Objects Limit and Importable Materials Limit options. Alongside this, the importer offers toggles for importing objects, materials and vertex weights, plus an Add Import Prefix option that adds a prefix string to the names of imported objects and materials.
blender-mqo can export vertex weights when the Export Vertex Weights option is enabled. During export, the vertex weights are merged among the selected vertex groups, and the weight is chosen randomly from the vertex groups a vertex belongs to. The add-on also provides two export modes: Selected Objects, which exports selected objects along with dependent assets, and Manual, which exports assets selected by name without accounting for dependencies between them.
blender-mqo is released under the GNU General Public License v3.0 or later, and it is listed here as free. The developer maintains the project on GitHub, where issues, feature requests and contribution guidelines are documented. The extension requests file permissions to import and export MQO data from and to disk. For current licensing terms and source access, the developer's GitHub page is the place to check.
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