The most prominent use of “Hex-TRAK” is a modular model railway system for N gauge trains, designed by the YouTuber Tabletop Railroad and commercialized in the UK by Train Trax UK.

• Design: The system is based on a hexagonal module shape, which allows for versatile layout configurations. It uses specific Kato Unitrack sections (248mm straight sections and 216mm radius curves) that fit within the modules.
• Purpose: It is designed to be a compact, easy-to-store, and handle alternative to larger model railway setups, making the hobby more accessible to beginners or those with limited space.