Is this 3D model free to download?

Yes, Open Fiber Spectrometer is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Thingiverse. Use the "Download from Thingiverse" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by gaudi, published on Thingiverse. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

Open Fiber Spectrometer 3D printable model by gaudi

Open Fiber Spectrometer

Source: Thingiverse by gaudi

The Open Fiber Spectrometer is a free printable 3D model from Thingiverse by gaudi. This is a low cost yet quite functional 3D printed spectrometer with an optical fiber link. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

42 saves Source: Thingiverse Updated 2026-10-04 License: CC-BY · commercial OK Category: Education & Science

Tags: Open, Fiber, Spectrometer

About this model

This is a low cost yet quite functional 3D printed spectrometer with an optical fiber link. The low profile case is completely 3D printed including a connector for an optical fiber cable (Toslink, same as used for audio devices). The fiber is really practical to measure the optical spectrum in the visible range in many situations. The spectrum is picked up by a recycled laptop camera with USB connector soldered to it. And as a diffraction grating the 1000 lines/mm Grating Slide from ebay are used. For more information see:

Frequently asked questions

Is this 3D model free to download?: Yes. Open Fiber Spectrometer is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link above to open the original listing.
Where is the STL hosted?: The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by gaudi.
Who made this model?: Designed by gaudi, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?: Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.