by Nerk·Workflow
Images © Nerk. Used for product review; image policy.
Add Airfoil stands out in the blender_extensions library for doing one job cleanly: pulling Selig-format airfoil data into Blender through the standard Import menu. Its tie to a broader model aircraft toolset makes it a natural starting point for that workflow.
Add Airfoil is a compact Blender add-on from Nerk that imports airfoil dat files into your scene. Once installed, you trigger it by clicking 'Add Airfoil' in the File/Import menu, and the selected profile comes in as mesh. It currently supports the Selig format of dat files, described as the most common, and a wide range of these files can be found on airfoiltools.com.
The add-on is part of a larger project aimed at providing Geometry Node tools for the design of 3D printed, radio controlled model aircraft. Version 2.0.0 was updated for the Blender Extensions Platform and is compatible with Blender 4.2 LTS and newer. An instruction video is available for getting started.
Installation works either by dragging and dropping the extension into Blender or by downloading and installing from disk. The extension requires no special permissions and is released under the GNU General Public License v2.0 or later. It sits within the blender_extensions library, where it has recorded more than 11,000 downloads.
Add Airfoil is best for blender users who need to import airfoil dat files, particularly those working toward 3D printed, radio controlled model aircraft using Geometry Node tools.
Add Airfoil is completely free to download and use.
Add Airfoil is compatible with Blender 4.2 LTS and newer, so you'll need a recent build to run it. Version 2.0.0 was updated for the Blender Extensions Platform, which means it installs through Blender's extensions system on those releases. If you're on an older version, updating to at least 4.2 is required before the add-on will register. The extension also requires no special permissions when installed.
Add Airfoil currently supports only the Selig format of dat files, described as the most common. A wide variety of airfoil dat files in this format are available on airfoiltools.com, so you can source geometry there and bring it straight into Blender. Once imported, the shape comes in as mesh through the File/Import menu. Other dat formats are not supported at this time.
Add Airfoil can be added in two ways: drag and drop the extension into Blender, or download it and install from disk. After installation, you'll find an 'Add Airfoil' entry in the File/Import menu, and clicking it imports your chosen airfoil dat file. Because it's built for the Blender Extensions Platform, it fits into the extensions workflow on Blender 4.2 LTS and newer, and it requires no special permissions.
Add Airfoil is released under the GNU General Public License v2.0 or later, and it's listed as free here in the catalog. It requires no special permissions to install. For the current licensing terms and any updates, check the developer's page. The add-on is maintained on GitHub, where issues can be reported, and it forms part of a broader project focused on Geometry Node tools for model aircraft design.
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