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Ertl mini Union Pacific Big Boy 3D Printer File Image 1

Ertl mini Union Pacific Big Boy 3D Printer File Image 2

Ertl mini Union Pacific Big Boy 3D Printer File Image 3

Ertl mini Union Pacific Big Boy 3D Printer File Thumbnail 1

Ertl mini Union Pacific Big Boy 3D Printer File Thumbnail 2

Ertl mini Union Pacific Big Boy 3D Printer File Thumbnail 3

Ertl mini Union Pacific Big Boy

June 13, 2026

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Description

This is a scaled up and modified version of "1:400 scale Union Pacific "Big Boy" (articulating)" by A1 Mini user on MakerWorld, this is the biggest ertl mini model I've ever made and printed, no contest.
Tender Decals: https://docs.google.com/document/d/1Sk-WVVn8gmD6HrHzzF-2mdLN4QXW4pmjhBX1yeYOk8E/edit?usp=sharing

License:

Creative Commons - Attribution - Share Alike

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