by kmnunley·Workflow
Images © kmnunley. Used for product review; image policy.
Simple Gcode Importer earns its place in the blender_extensions library for its focused approach: it slots into the native File > Import menu and converts Gcode straight into editable Bezier curves, with no extra interface to learn.
Simple Gcode Importer is a Blender add-on from kmnunley that translates 3D printer Gcode into Bezier curve paths. All extrusion movements come in as fully editable curves, and the importer integrates directly with the File > Import menu rather than adding extra panels or windows.
Once a path is imported, thickness comes from the Object Data Properties tab in the Properties area: the Geometry dropdown exposes Extrusion and Bevel values you adjust until the model looks the way you want. Import time depends on your computer and can range from a couple of seconds to several minutes, depending on the size and complexity of the model.
The add-on runs on Blender 4.2 LTS and newer and is released under the GNU General Public License v3.0 or later. Planned additions include options for skipping layers, path resolution, custom Gcode parameters, easier simultaneous path editing, path animation, and importing Gcode as a point cloud. One known issue: Gcode created by Bambu Studio can import incorrectly or cause errors, with Cura or PrusaSlicer suggested as a workaround.
Simple Gcode Importer is best for bringing 3D printer Gcode files into Blender as fully editable Bezier curve paths.
Simple Gcode Importer is completely free to download and use.
Simple Gcode Importer is compatible with Blender 4.2 LTS and newer, so any current LTS release or later build should run it. The add-on integrates directly with the File > Import menu, so once installed you access it there rather than through a separate panel or window. It requires no special permissions in Blender. If you are running a version older than 4.2 LTS, the developer's page is the place to confirm what is supported before installing.
Simple Gcode Importer can be added from the Blender Extensions website or from within Blender via Edit > Preferences > Get Extensions. You can also drag and drop the add-on into Blender, or download it and install it from disk. After installation, importing is straightforward: go to File > Import, choose the Gcode option, select your .gcode file in the file browser, and click Import Gcode. The tool does not add extra panels or windows to the interface.
Simple Gcode Importer imports extrusion movements as fully editable Bezier curves, which carry no thickness on their own. To add thickness, select a path and open the Properties area (the bottom-right panel in the default layout), then go to the Object Data Properties tab. Under the Geometry dropdown, the two most useful values are Extrusion and Bevel. Adjust these until the desired look of the model has been reached. Both values sit together in that same Geometry section, so you can tweak them in one place.
Simple Gcode Importer has a known issue where Gcode created by Bambu Studio can import incorrectly or cause errors. Until this is resolved, the suggested workaround is to slice with Cura or PrusaSlicer instead and import that Gcode. Import time for a working file depends heavily on your computer and can run from a couple of seconds to several minutes, depending on the size and complexity of the model. For the latest status, the developer's page and issue tracker are the best places to check.
Simple Gcode Importer is listed as free here and is released under the GNU General Public License v3.0 or later. It requires no special permissions in Blender. For current licensing terms and full details, check the developer's page, where the source is available in keeping with its GPL licensing. The developer also links a way to buy them a coffee if you would like to support the work behind the add-on.
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