Apr 28, 2026 15:40:00

Noctua, a popular PC cooling equipment manufacturer among DIY PC enthusiasts, has released 3D CAD data for its PC fans.

Noctua , a popular manufacturer of CPU coolers and PC case fans among PC builders, has released free CAD models of its products, including the highly popular 'NF-A12x25 G2.' The models are distributed as STEP files compatible with major 3D CAD/CAM systems, allowing users familiar with the file format to incorporate them into their CAD designs.

3D CAD models | Noctua
https://www.noctua.at/en/3d-cad-models

The download page is below.

Product-specific downloads | Noctua
https://www.noctua.at/en/support/downloads

Selecting a product name from 'Select a product' will make 3D CAD data available for download alongside manuals and other documents. Clicking the button labeled 'STEP' will download a ZIP file containing the STEP files.

The ZIP file contains a STEP file and a README.txt file.

According to README.txt, the downloadable data is 3D CAD data intended for public release. While certain parts, such as the shape of the wings, have been slightly modified to protect intellectual property rights, the mounting dimensions and external dimensions accurately reproduce the product.

Therefore, while it's acceptable to use it as a reference when designing a custom-built PC, users are cautioned against using it for performance simulations or 3D printing.

Furthermore, the disclaimer states that Noctua does not guarantee that the CAD models are error-free or suitable for any particular purpose, that their use is at the user's own risk, and that Noctua will not be held liable for any damages resulting from the use of the provided models.