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Plan your model railway in 3D, free and in your browser. Lay track from 125 manufacturer libraries — Märklin, Fleischmann, Peco, Roco, Kato, Tillig — and walk through your layout before you build it.
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Hex Code
Color name
RGB
HSL
CMYK
#FF6547
Persimmon
255, 101, 71
10, 100, 64
0, 60, 72, 0
#0B3557
Downriver
11, 53, 87
207, 78, 19
87, 39, 0, 66
#FFFFFF
White
255, 255, 255
0, 0, 100
0, 0, 0, 0
TRAX3D is a free, browser-based platform for planning and visualising model railways in 3D. It helps railway enthusiasts move from an initial idea to a detailed layout, with tools to plan track, shape scenery, and explore a design before building it. Users can work with 125 track systems from manufacturers including Märklin, Fleischmann, Peco, Roco, Kato, and Tillig, drawing on a library of 3,269 track pieces.
The platform also offers 119 trees and buildings to help furnish layouts with scenery, structures, and water. Beyond track planning, TRAX3D supports viewing, building, and running railway designs in an immersive 3D environment. Its community features include a showcase, forum, and project area where users can share layouts and learn from fellow model railroaders.
The site also provides a manual, downloads, and support, and lists ongoing updates. TRAX3D is free to use and has no advertising; some track data is licensed from Milen Peev of SCARM
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