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Print it in: 

Gauge 1, O Gauge, HO/OO scale

Gresley A4 Mega Pack 3D print files

Gresley A4 Mega Pack 3D print files

Rating is 5.0 out of five stars based on 1 review
€17,50Price
VAT Included

The A4 collection has arrived!

 

You can build the 3 included variants with this mega-pack or completely make it your own using the number- and detailless files! These versions include the double and single chimney, side skirts or without them, and smooth surfaces for your own decals. 

 

These models are modelled using the G1MRA standards so they will drive well on Gauge 1 layouts.

For better flexibility, we have modified the axle for the trailing wheel, and we've updated the connector between the locomotive and Tender to be more flexible than ever before while keeping the gap between the loco and tender realistically tight. 


You can print the model for a range of common model train scales.
We've added a scale table for you to lookup at what scale to print the locomotive.

 

We have included versions of the 3D files for FDM and Resin printers. The larger combined files can also be ordered to print at any 3D printing service. We have done some trials with these services and are very pleased with the results. For Resin printing on small scales, it's nice to have some of the smaller parts combined in bigger, printable selections. So that's exactly what we have added next to all the loose, printable parts.


Print it in: Gauge 1, O Gauge / 7mm, HO/OO scale

The original model is created in scale: 1:32 Gauge 1 and is designed to run on Gauge 1 model train rails and can be scaled down to run on O gauge and OO/HO scale track.

  • File format

    The 3D files are in .STL format. Resin and FDM variants included.

    Print it in: Gauge 1, O Gauge, HO/OO scale

  • This is included:

    • All the files for 3D printing this locomotive in .STL format.
    • A detailed manual with building instructions.
    • The list of electronics you can use to make it fully interactive with movement, sound, light and steam.
    • The programming code for the microprocessor to make the locomotive come to life.
    • The free control app for android, iPhone, windows or apple, to control your locomotive as if it's real.
  • Who this pack is for:

    This Gresley A4 STL pack is ideal for model railway builders, LNER enthusiasts and 3D printing hobbyists who want a streamlined steam locomotive with flexible customization options.

Reviews

Rated 5 out of 5 stars.
Based on 1 review
1 review
  • Peter HDec 15, 2025
    Rated 5 out of 5 stars.
    Verified
    Absolutely amazing

    This is my first purchase from this site, and I am 100% impressed with the quality of the 3d models supplied. The time it must have taken for Pocket railway museum to make the model cannot be understated, and being able to 3d print a fully functional model that you can motorise is incredible. I have sent the site to friends and family, and look forward to purchasing other models from the site, and waiting to see what they produce next!

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    What is Pocket Railway Museum?

    Pocket Railway Museum creates 3D printable model trains, locomotive files and interactive railway projects inspired by real railway history.

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    Many models can be enhanced with electronics for lights, motion, sound and steam, making them fully functional.

    Our printable railway models are available in Gauge 1, and also printable in O Gauge and HO/OO scale.

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