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Welcome

RamBros 3D is an open-source project focused on creating highly detailed and accurate 3D printable scale models. Since 2021, we have been developing models ranging from straightforward builds to complex, mechanically advanced models that test the practical limits of 3D printing technology.


An open-source 3D printable model railway ecosystem in S-scale (1/64), featuring locomotives, wagons, tracks, and control systems.

  • Fully 3D printed components
  • Parametric track design
  • Auto couplers and compact bogies
  • Multiple scales: S-scale (1/64) and G-scale (1/32)

Explore Dragon Railway →


An open-source 3D printable model automobile ecosystem in S-scale (1/64), compatible with the Dragon Railway ecosystem.

  • DAF CF85 truck variants
  • Flatbed, box, and container trailers
  • Compatible with Dragon Railway tracks

Explore Dragon Trucks →


  1. Choose a project — Decide between Dragon Railway or Dragon Trucks
  2. Download files — Get the 3D models from MakerWorld or Printables
  3. Print & build — Follow the assembly manuals
  4. Add electronics — Use our control boards or DIY wiring

Most of our designs are open source or free. We choose to make our models open source because we like others to benefit from our work, just as we have from the works of other people.

Download Models →