3D printed cuvette holder and enclosure
![3D printed cuvette holder and enclosure](/content/images/size/w1200/2024/02/open_colorimeter_enclosure_1.png)
Design methods
We have been using FreeCAD for 3D hardware designs as described in this previous Newsletter. In this project we used the KiCad StepUp workbench to import a 3D model of the Sensor and LED PCBs from KiCad and the A2plus Workbench to create an assembly of the complete enclosure. We also used a 3D model of the PyBadge made available at Adafruit CAD Parts on github.
![](https://blog.iorodeo.com/content/images/2022/10/annotated_assembly_9.png)
Features
- Material: 3D printed black plastic
- Cuvette Holder Dimensions: 54 mm (length) x 32 mm (width) x 43.5 mm (height)
- Recessed circular space for a light-blocking cover
- Recessed mounts on either side with tapped M2.5 threads (for mounting the LED and light sensor boards)
- Base flange with 4 mount holes for (optionally) mounting to the enclosure part
Design Files - Cuvette Holder
GitHub - iorodeo/cuvette_holder: Hardware design files for cuvette holder
Hardware design files for cuvette holder. Contribute to iorodeo/cuvette_holder development by creating an account on GitHub.
![](https://blog.iorodeo.com/content/images/2024/02/cuvette_holder_1.png)
Design files - Colorimeter Enclosure
GitHub - iorodeo/open_colorimeter_enclosure: FreeCAD design files for new colorimeter enclosure
FreeCAD design files for new colorimeter enclosure - GitHub - iorodeo/open_colorimeter_enclosure: FreeCAD design files for new colorimeter enclosure
![](https://blog.iorodeo.com/content/images/2022/10/open_colorimeter_enclosure_1.png)
![](https://blog.iorodeo.com/content/images/2022/10/open_colorimeter_10.png)
![](https://blog.iorodeo.com/content/images/2024/02/banner_no_text-10.png)
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