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3d Printing for Toy Trains? A Basic Introduction

Line, Menards, and other 3-rail O gauge trains? Do you like big trains but have a small budget? This is the channel for you!
The body of the train itself is 3D printed in PLA. It’s designed to O-gauge scale, and comes complete with models for 3D printed track as well.
A new start-up aims to make 3D printing of metal objects something that can be done at scale. If this pans out, US supply chains could could be near shored and could become far more resilient.