Is this 3D model free to download?

Yes, HO Scale Simple PTC Monopole (Positive Train Control) 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 Signal_Up_Production, 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.

HO Scale Simple PTC Monopole (Positive Train Control)

Source: Thingiverse by Signal_Up_Production

The HO Scale Simple PTC Monopole (Positive Train Control) is a free printable 3D model from Thingiverse by Signal_Up_Production. Modeled after Antenna Monopoles found along US main lines at signal or switch locations. 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 2026-10-20 License: CC-BY-NC-ND · non-commercial Category: Other

Tags: model railroad, ptc antenna

About this model

Modeled after Antenna Monopoles found along US main lines at signal or switch locations. Features a 2-bay 220mhz dipole antenna.

Frequently asked questions

Is this 3D model free to download?: Yes. HO Scale Simple PTC Monopole (Positive Train Control) 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 Signal_Up_Production.
Who made this model?: Designed by Signal_Up_Production, 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.