T-Trak Straight Module (Tomix Fine Track, Dual Mainline) 3D model thumbnail

T-Trak Straight Module (Tomix Fine Track, Dual Mainline)

by objet_dart · via Thingiverse
FormatSTL
CategoryOrganisation
LicenseCC BY-SA
Triangles1.0k
UploadedMar 31, 2026
⬇ 109 downloads ❤ 2 likes 👁 97 views

Description

This is a 3D printable straight T-Trak module designed for a local dual mainline standard using Tomix Fine Track. This the smaller module 280mm x 200mm x 70mm. The track is adjustable to be levelled up to 100mm. The module is optimized to fit 2× S280 straight track sections, making it fully compatible with layouts following a 37mm track spacing dual mainline configuration. A key feature of this design is its modular, dismantlable frame, allowing for easy transport and compact storage—perfect for club members bringing modules to meetups. 🔧 Module Features Designed for dual mainline operation Compatible with 2× S280 straight track sections Knock-down frame design for portability Optimized for 230 × 230 mm build plates Reinforced structure with alignment pins to prevent warping or bulging 🧩 Parts List (Printed Components) 2× Side Facia 4× Front Facia (split for printability) 1× Top Left Half 1× Top Right Half 🛠️ Assembly Instructions The Top Halves and Front Facia pieces are joined using: 2 mm toothpicks (as alignment pins) Glue for permanent bonding THE TOP HALVES ARE DIRECTIONAL! : Ensure correct orientation during assembly Pre-designed mounting holes align with Tomix track fixing points Additional alignment: Small pin holes are included at mating surfaces Insert shortened toothpicks to prevent the frame from bulging outward 📦 Additional Hardware Required To complete the module, you will need: 8x M2x6mm screws to fix the track to the surface 4× M4x6mm brass inserts (for levelling screws) 8× M3x6mm brass inserts (for side and front frame screws) 8× M3x10mm countersunk screws (side and front frame attaching screws) 4× M4x40mm round head plastic thumbscrews (or similar alternatives) - levelling screws 2 mm toothpicks (recommended size: 2 mm × 65 mm) - half reinforcing joiners 🚆 Notes Designed specifically for Tomix Fine Track systems. Ideal for club layouts using portable T-Trak standards. Toothpick-based alignment system keeps the design accessible and low-cost. Great for builders looking for a lightweight and modular alternative to wooden modules. 💡 Tips Dry-fit all parts before gluing Use a square surface during assembly to maintain alignment Consider adding rubber feet or leveling bolts depending on your club setup This is intentionally left as work in progress so that I can edit and make changes
n scale railroad N-Scale t-trak TOMIX

Originally published on Thingiverse