by dnltz·Workflow
Images © dnltz. Used for product review; image policy.
Earns its place in the Blender extensions library for a focused job: turning GDSII semiconductor layouts into 3D visualizations with PDK layer stack support and open-source licensing.
GDSII Importer, also known as BlenderGDS, is an add-on by dnltz for bringing GDSII semiconductor layout files into Blender as accurate 3D layer stack visualizations. It supports popular open-source PDKs, including IHP SG13G2/CMOS5L, SkyWater SKY130, and GlobalFoundries GF180MCU, alongside custom YAML configurations.
The add-on handles per-layer materials, selective region cropping, and automatic scene setup. Version 1.0.3 adds SiEPIC EBeam and Luxtelligence LNOI400 PDK configs, fixes the ChipBase size to 20 mm to prevent visible edges in renders, and corrects chip base and camera placement for layouts whose bounding box doesn't start at the GDS origin. It also fixes custom configuration import that was missing the color file after a YAML split, improves user feedback on missing files, and uses separate color scheme config files.
GDSII Importer is compatible with Blender 4.2 LTS and newer, running on Windows, Linux, and macOS Apple Silicon. It requires no special permissions and is distributed under the GNU General Public License v3.0 or later.
GDSII Importer is best for blender users working with GDSII semiconductor layout files who want accurate 3D layer stack visualizations from open-source PDKs.
GDSII Importer is completely free to download and use.
GDSII Importer is compatible with Blender 4.2 LTS and newer. It runs on Windows, Linux, and macOS Apple Silicon. You can add it by dragging and dropping the platform-specific ZIP into Blender, or by downloading the file and installing it from disk through Blender's extensions preferences. Each platform has its own download, so choose the build that matches your operating system before installing.
GDSII Importer supports popular open-source PDKs, including IHP SG13G2/CMOS5L, SkyWater SKY130, and GlobalFoundries GF180MCU. Version 1.0.3 adds SiEPIC EBeam and Luxtelligence LNOI400 PDK configs. Beyond these built-in options, the add-on also accepts custom YAML configurations, and it uses separate color scheme config files. This lets you work with the layer stacks defined by supported PDKs or supply your own configuration for other layouts.
GDSII Importer is listed as free in this catalog and is distributed under the GNU General Public License v3.0 or later. The add-on requires no special permissions in Blender. For current licensing details, source access, and issue reporting, refer to the developer's page. Since it is a GPL-licensed extension, you can review and build from its published source if you need to.
GDSII Importer 1.0.3 adds SiEPIC EBeam and Luxtelligence LNOI400 PDK configs. It fixes the ChipBase size to 20 mm to prevent visible edges in renders and corrects chip base and camera placement for layouts whose bounding box doesn't start at the GDS origin. It also fixes custom configuration import that was missing the color file after a YAML split, improves user feedback on missing files, and updates the README to reflect the separate color scheme config files.
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