Is this 3D model free to download?

Yes, 4 different rooftop air-conditioning units in HO scale 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 jacob_bressler, 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.

4 different rooftop air-conditioning units in HO scale 3D printable model by jacob_bressler

4 different rooftop air-conditioning units in HO scale photo 1

4 different rooftop air-conditioning units in HO scale photo 2

4 different rooftop air-conditioning units in HO scale

Source: Thingiverse by jacob_bressler

The 4 different rooftop air-conditioning units in HO scale is a free printable 3D model from Thingiverse by jacob_bressler. HO Scale Rooftop Air-Conditioning Units – STL Collection (1:87) Add realistic rooftop details to your HO scale model railroad buildings with this collection of four 3D-printable. 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 2026-10-31 License: CC-BY-SA · commercial OK Category: 3D Printer

Tags: air condition units

About this model

HO Scale Rooftop Air-Conditioning Units – STL Collection (1:87) Add realistic rooftop details to your HO scale model railroad buildings with this collection of four 3D-printable air-conditioning units. The set includes small, medium, and large commercial HVAC units, plus a ducted rooftop system. Each model features realistic details such as ventilation louvers, cooling fans, and ductwork. Perfect for factories, warehouses, restaurants, stores, and industrial buildings. These STL files are designed for HO scale (1:87) and can be printed and painted for a realistic appearance. Includes: 4 STL models Scale: HO (1:87) Format: STL for 3D printing Presented by: Train-Aholics Anonymous Bring your model railroad rooftops to life with realistic HVAC equipment!

Frequently asked questions

Is this 3D model free to download?: Yes. 4 different rooftop air-conditioning units in HO scale 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 jacob_bressler.
Who made this model?: Designed by jacob_bressler, 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.