Is this 3D model free to download?

Yes, 120mm Fan air heat recovery 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 tudorao_1xsj, 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.

120mm Fan air heat recovery 3D printable model by tudorao_1xsj

120mm Fan air heat recovery

Source: Thingiverse by tudorao_1xsj

The 120mm Fan air heat recovery is a free printable 3D model from Thingiverse by tudorao_1xsj. Recuperate heat from air in contraflow directions: air ventilation heat exchange mounting in walls or windows, 2x PC fans 120mm. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

30 saves Source: Thingiverse Updated 2026-10-15 Print time: 1d License: CC-BY-SA · commercial OK Category: Decor & Art

Tags: 120mm, Fan, air, heat, recovery

About this model

Recuperate heat from air in contraflow directions: air ventilation heat exchange mounting in walls or windows, 2x PC fans 120mm. Very dry PETG 0.6 nozzle PA (pressure advance) tuned and enabled. PETG rolls was in the dryer for 12 h before printing and all the time during printing. The things can be f using 120 mm fans, using a 0.6 mm nozzle. Using a resin printer can speed up the printing a lot. I printed with the Geeetech A20 (Ender 3 clone) wave-overhangs fork of Orca Slicer. Modified my printer with a Bambu Lab 0.6 mm high flow HF nozzle. Printing time for the middle core is more 24h PA enable is required and perfect for 0.63 mm walls. What I tested working is the middle core that prints excellently and can be used also for alternate flow heat recovery systems to store heat. The idea is…

Frequently asked questions

Is this 3D model free to download?: Yes. 120mm Fan air heat recovery 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 tudorao_1xsj.
Who made this model?: Designed by tudorao_1xsj, 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.