21CNCStudio

Union Pacific Big Boy 4014 3D Puzzle | Laser Cut File SVG DXF | Digital

$15.10

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Laser cut file for a 3D locomotive — Union Pacific Big Boy 4014.
Clean SVG/DXF digital download engineered for 3 mm / 1⁄8" plywood, segmented so no single part exceeds ~260 mm (Glowforge, xTool friendly), tested in LightBurn.

I designed this set as a tribute to the last giant of steam. The Big Boy 4014 wasn’t only a train — it was momentum in steel. With this file you can build that feeling on your workbench: the long boiler, the articulated frame, the busy running gear that once hauled mountains behind it. Layer by layer, tab by tab, the silhouette grows until the table seems too small — and that’s when you know you’ve captured a piece of railroad history.

What’s Included
SVG + DXF files for laser cutting (segmented sheets)
PDF step-by-step assembly guide

Specs & Difficulty
~600 parts for authentic layered detail
Assembled from 3 mm: L 870 mm × W 109 mm × H 170 mm
Skill level: Advanced — a multi-session, rewarding build for rail fans

Compatibility
Glowforge, xTool, other CO₂/diode lasers; workflow tested in LightBurn.

Materials & Scaling
Optimized for 3 mm / 1⁄8" plywood. For other thicknesses, scale the entire model proportionally — message me for exact factors.

License
Personal use only. For commercial rights to produce/sell the finished model, please contact me for a license.

Note
This is a digital product — no physical item will be shipped. Happy to help with setup or scaling.

Digital downloads

File delivery

Your files will be available to download once payment is confirmed.

Payment Options

Secure options
  • Accepts Etsy gift cards

Returns & Exchanges

I don't accept returns, exchanges, or cancellations

But please contact me if you have any problems with your order.

Privacy policy

21CNCStudio File Use Policy

Welcome to 21CNCStudio! My name is Volodymyr Papush, and I appreciate your interest in my work. To ensure understanding and compliance with the usage of our laser cutting files, please review our policy below.

Personal Use:
Upon purchasing files from 21CNCStudio, you are granted the right to use them for creating models for personal purposes only. This means you are free to create items for yourself, friends, and family without any commercial intent.

Commercial Use and Distribution:
Any commercial use of the purchased files, including selling products made with them, without prior consent is prohibited. Distribution or sharing of the files with third parties is also prohibited. Copyrights on the designs are protected and enforceable in 160 countries worldwide.

Copyright Protection:
We take copyright protection seriously and will take appropriate measures in the event of infringement. This may include legal action to protect our rights and intellectual property.

Commercial License:
If you are interested in using our files for commercial purposes, please contact me directly to discuss the terms of obtaining a commercial license.

Thank you for understanding and adhering to our policy. We value your support and are committed to providing high-quality files for your projects.

Best regards,
Volodymyr Papush, 21CNCStudio

Reviews (29)

Average:

very nice og good instructions

Pas de problème avec cet article decoupe et montage facile je recommande

very nice , i like it

very well designed complete with instructions and developer has it organized.

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