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Model Train Tunnel – O Scale (Easily Scalable)

Remixed by

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A2L

0.2mm layer, 2 walls, 15% infill
0.2mm layer, 2 walls, 15% infill
Designer
23.3 h
1 plate
4.7(10)

Open in Bambu Studio
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Description

This tunnel was designed to fit Lionel O Scale train track. It's a clean, simple print that drops right into your layout. I based it on a multi-scale tunnel portal but resized it specifically for O Scale.

You can easily scale it up or down to use with other gauges like HO or N, depending on your layout needs.

  • Designed for Lionel O Scale
  • Remix of a multi-scale tunnel portal
  • No supports needed
  • Easy print at 0.2mm layer height, 15% infill, 2 walls
  • Prints solid and looks great painted for scenery

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If you thought, “I could use that,” go ahead and Boost it. I’ve got more models like this in the works.

 

Comment & Rating (19)

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Boosted
Print Profile
0.2mm layer, 2 walls, 15% infill
printed out without problems. Scaled it down a little bit.
The profile uploader has replied
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Looks awesome!
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K&R custom models go take a look on youtube completed tunnel on layout
The designer has replied
designer
1
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Great YouTube Channel! My kids were excited to see our design on your "More SP & Cotton Belt on A,S,& P! 3-30-2025" video.
1
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how can I make this to different dimensions?
The designer has replied
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You can scale down in Bambu Slicer
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Boosted
Love the design, thank you
designer
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Print Profile
0.2mm layer, 2 walls, 15% infill
Very easy print and top result My grandson is thrilled
The profile uploader has replied
Show original
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That fantastic!
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Print Profile
0.2mm layer, 2 walls, 15% infill
love it perfect for my layout made 3 ran out of fillament ned full rool
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Wow, that's awesome!
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Print Profile
0.2mm layer, 2 walls, 15% infill
using several of these and modifying the size to fit in several different spots
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what is the size of the tunnel…
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Print Profile
0.2mm layer, 2 walls, 15% infill
profile
1
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Print Profile
0.2mm layer, 2 walls, 15% infill
profile
1
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