Customizable Flexible Toy Train Tracks for 3D Printed Toys

Design preview. Rendered from the file, not a photo.

The maker says it fits: Brio train set. See the proof

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What it does

Bends and curves in any direction so your train set adapts to any room layout you design.
Fully customizable using OpenSCAD so you build exactly the track lengths and shapes you need.
Compatible with Brio train systems so you connect it to toys you already own.
Made flexible through 3D printing so you get curves that are hard to make any other way.
Print on demand so you only make the tracks your child actually wants to use.

Your child gets a train set that bends however they want. These flexible tracks let you build layouts that fit your space instead of forcing your space to fit the tracks.

This design uses 3D printing to add something regular toy trains cannot do: real flexibility. The tracks curve and adapt, so you create smooth paths around furniture, under tables, and through doorways. You customize the track lengths and angles using OpenSCAD if you want something unique, or use the standard design as-is.

Works with Brio train sets you already have. Print the tracks you need, when you need them. Made in the USA.

9.8k downloads in the maker community. That is interest in the design on the site it came from, not our sales.

What it fits

The maker says it fits: Brio train set

That is the maker's word, not a fit we measured. Check the size below against your own.

Brio train setFrom the maker's own listing title, checked 2026-08-13. See the original post

Brand names here only say what this part fits. We are not connected to those companies, and they did not make or check this part.

What you get

This design prints as one piece.
Nothing else to print or buy for this to work.

What it is made of

Designs like this print well in PLA. Compare the materials.

Printed plastic is strong for its size, but it is not metal. We have not load tested this design, so we do not publish a weight rating. Keep it out of a hot car and away from open flame.