{"title":"On3 Code 100 Track Elements","description":"\u003cp\u003eWith a variety of curves, straights, and feeder sections, you can design and expand a realistic On3 railroad with ease.\u003c\/p\u003e\n\u003cp\u003eEach piece is hand-made Code 100 track with consistent geometry, making it simple to build your layout one section at a time and expand as your railroad grows.\u003c\/p\u003e\n\u003cp\u003e👉 \u003cem\u003eCombine different curve and straight sections to create flowing track plans, passing sidings, yards, and other operational possibilities.\u003c\/em\u003e\u003c\/p\u003e","products":[{"product_id":"mainline-railworks-on3-code-100-sectional-curve-track","title":"Mainline Railworks On3 Code 100 Sectional Curve Track","description":"\u003ch1\u003eMainline Railworks On3 Curved Track\u003c\/h1\u003e\n\u003cp\u003eMainline Railworks On3 Curved Track is designed specifically for On3 modelers who want reliable operation, realistic proportions, and the distinctive appearance of three-foot narrow gauge railroading in O scale. Whether you're modeling a western mining line, mountain railroad, logging operation, or detailed short line, these precision sectional curves make layout planning simple while providing smooth, dependable performance.\u003c\/p\u003e\n\u003cp\u003eAll curved track sections are sold individually, allowing you to build the exact radius, angle, and track plan your railroad requires.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🚂 Designed for On3\u003c\/h2\u003e\n\u003ch3\u003eThe right gauge is only half the story.\u003c\/h3\u003e\n\u003cp\u003eOn3 uses a three-foot prototype gauge represented in O scale, giving locomotives and rolling stock the impressive size and detail of O scale while capturing the character of narrow gauge railroading.\u003c\/p\u003e\n\u003cp\u003eMainline Railworks On3 track is purpose-built for On3, with track proportions and detailing designed to complement O scale narrow gauge equipment. The result is a track system that not only operates reliably, but also provides the realistic appearance expected from a detailed On3 railroad.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🚂 Why This Matters\u003c\/h2\u003e\n\u003cp\u003eConsistent curve geometry is essential for dependable operation. Properly matched sectional curves simplify layout planning, help maintain reliable alignment, and make it easy to expand your railroad as it grows.\u003c\/p\u003e\n\u003cp\u003eCombined with track designed specifically for On3 equipment, the Mainline Railworks system gives you a reliable foundation for everything from a compact switching layout to a large permanent railroad.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🏔 Perfect For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWestern and mountain narrow gauge railroads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMining and logging railroads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eShort lines and branch lines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndustrial switching layouts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompact tabletop and shelf layouts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eModular railroad systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTemporary display layouts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExpanding existing On3 railroads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e🔧 Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePurpose-built On3 sectional track\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSold individually for maximum layout flexibility\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRealistic narrow gauge tie size and spacing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePrecision-matched sectional geometry\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReliable alignment and smooth operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDurable construction for repeated assembly and teardown\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBeginner-friendly while scalable for advanced layouts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e⚙️ Compatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with Mainline Railworks On3 sectional track systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned specifically for On3 locomotives and rolling stock\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003eSuitable for temporary, modular, and permanent layouts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e📐 Curve Geometry Options\u003c\/h2\u003e\n\u003cp\u003eMainline Railworks curved track is available in multiple radius and angle configurations, allowing you to create everything from compact industrial trackage to broad, sweeping curves.\u003c\/p\u003e\n\u003ch3\u003eAvailable Angle Options\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eA — 22.5° Sections\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e16 sections complete a full circle\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIdeal for balanced loops and general-purpose layouts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eB — 11.25° Sections\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e32 sections complete a full circle\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePerfect for smoother transitions and precise track planning\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eC — 45° Sections\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e8 sections complete a full circle\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGreat for compact layouts and rapid assembly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e📏 Radius Options\u003c\/h2\u003e\n\u003cp\u003eChoose from multiple radii to build:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCompact layouts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMining and logging branches\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndustrial switching districts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eModular railroads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBroad scenic mainlines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSmaller radii help maximize available space, while broader curves provide a more open, prototypical appearance and can accommodate longer equipment more comfortably.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e➕ Pairs Well With\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMainline Railworks On3 Straight Track\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFeeder Track Sections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTunnel Track Sections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBumper Track Sections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStarter Loop Sets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOn3 Specialty Track Sections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e⚠️ Builder Tip\u003c\/h2\u003e\n\u003cp\u003eFor the smoothest operation, maintain a consistent curve radius through each turn. Mix angle options as needed for precise alignment while keeping the same radius for a clean, flowing appearance.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🛠 Custom Geometry Options\u003c\/h2\u003e\n\u003cp\u003eNeed a specific radius or custom configuration? Mainline Railworks can produce additional curve geometries and specialty track sections for unique On3 layout requirements.\u003c\/p\u003e\n\u003ch3\u003eThis 3D printed kit includes the following parts:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e1x MR-O3C24Ap3-C100 (PLA (Black), 62.5 × 0.8 × 217.4 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1x MR-O3C24Ap2-C100 (PLA Wood (Black Walnut), 83.1 × 1.9 × 240.6 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1x MR-O3C24Ap1-C100 (PLA (Grey), 95.3 × 6.4 × 243.0 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e20x Code 100 Micro Engineering Rail\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mainline Products","offers":[{"title":"Default Title","offer_id":48809554870517,"sku":"MR-O3C-24","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0343\/3717\/files\/F5A00D6E-6DDE-4E78-9591-DCD3D63FFADB.jpg?v=1790391229"},{"product_id":"mainline-railworks-on3-code-100-sectional-straight-track","title":"Mainline Railworks On3 Code 100 Sectional Straight Track","description":"\u003c!--StartFragment--\u003e\n\u003ch1\u003eMainline Railworks On3 Straight Track\u003c\/h1\u003e\n\u003cp\u003eMainline Railworks On3 Straight Track is designed specifically for On3 modelers who want reliable operation and authentic three-foot narrow gauge appearance in O scale. Whether you're constructing a compact switching layout, building a busy yard, or expanding a permanent mountain railroad, these precision straight sections provide the foundation for smooth operation and realistic trackwork.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAll straight track sections are sold individually\u003c\/strong\u003e, allowing you to build the exact track plan your railroad requires.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🚂 Designed for On3\u003c\/h2\u003e\n\u003cp\u003eOn3 combines the impressive size and detail of O scale with the distinctive character of three-foot narrow gauge railroading. That combination makes realistic track proportions especially important when building a detailed On3 railroad.\u003c\/p\u003e\n\u003cp\u003eMainline Railworks On3 track is purpose-built to complement O scale narrow gauge equipment, with realistic tie proportions, spacing, and track details that help capture the appearance of a true narrow gauge railroad. The result is track that provides both dependable operation and a convincing foundation for your On3 layout.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🚂 Why This Matters\u003c\/h2\u003e\n\u003cp\u003eStraight sections do far more than connect curves. They establish station tracks, passing sidings, yards, industries, and switching areas while making future layout expansion simple and predictable.\u003c\/p\u003e\n\u003cp\u003eWith individually sold sections, you can build your track plan one piece at a time and add additional straight sections whenever your railroad grows.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🏔 Perfect For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eYards and passing sidings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMining and logging operations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndustrial switching districts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMountain railroad layouts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eShelf and tabletop layouts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eModular railroads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExpanding existing On3 systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e🔧 Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePurpose-built On3 sectional track\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSold individually for complete layout flexibility\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRealistic narrow gauge tie size and spacing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePrecision-fit sectional geometry\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReliable alignment for smooth operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDurable construction for repeated assembly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for both compact and large-scale layouts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e⚙️ Compatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with Mainline Railworks On3 sectional track systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned specifically for On3 locomotives and rolling stock\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrates with curved, feeder, tunnel, bumper, and specialty track sections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for temporary, modular, and permanent layouts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e➕ Pairs Well With\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCurved Track Sections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFeeder Track Sections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTunnel Track Sections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBumper Track Sections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStarter Loop Sets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOn3 Specialty Track Sections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e⚠️ Builder Tip\u003c\/h2\u003e\n\u003cp\u003eStraight sections are ideal for creating industries, passing sidings, station tracks, and yard tracks while providing a solid foundation for future layout expansion.\u003c\/p\u003e","brand":"Mainline Products","offers":[{"title":"Default Title","offer_id":48809555099893,"sku":"MR-O3S10","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0343\/3717\/files\/8C00A9F3-87AA-4A75-B219-0580FA609B4E.jpg?v=1790391166"},{"product_id":"mainline-railworks-on3-code-100-feeder-track","title":"Mainline Railworks On3 Code 100 Feeder Track","description":"\u003c!--StartFragment--\u003e\n\u003ch1\u003eMainline Railworks On3 Feeder Track\u003c\/h1\u003e\n\u003cp\u003e(On30 photo shown)\u003c\/p\u003e\n\u003cp\u003eMainline Railworks On3 Feeder Track sections make it easy to provide reliable electrical power throughout your On3 railroad. Designed to integrate directly with the Mainline Railworks sectional track system, each feeder provides a convenient connection point for your layout's power supply without requiring you to modify standard track sections.\u003c\/p\u003e\n\u003cp\u003eWhether you're building a small tabletop layout or a larger permanent railroad, strategically placed feeder sections help maintain consistent power as your track plan grows.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🚂 Designed for On3\u003c\/h2\u003e\n\u003cp\u003eMainline Railworks On3 Feeder Track is purpose-built to match our On3 sectional track, providing the same realistic appearance and precise fit as the rest of the system.\u003c\/p\u003e\n\u003cp\u003eThe feeder is incorporated into a standard section of On3 track, allowing it to become a natural part of your layout rather than requiring a separate trackside connection.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e⚡ Why Use Feeder Track?\u003c\/h2\u003e\n\u003cp\u003eAs a railroad grows, relying on a single electrical connection can result in voltage loss and inconsistent operation farther away from the power source. Adding feeder sections at strategic locations helps distribute power throughout the layout.\u003c\/p\u003e\n\u003cp\u003eFeeder sections are especially useful for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eLarger layouts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMultiple track sections and loops\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eModular layouts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePermanent installations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDCC-equipped railroads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLayouts designed for future expansion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e🔧 Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePurpose-built On3 feeder track\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrates with Mainline Railworks On3 sectional track\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProvides a convenient electrical connection point\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePrecision-fit sectional geometry\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRealistic narrow gauge appearance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for reliable power distribution\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for temporary, modular, and permanent layouts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e⚙️ Compatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with Mainline Railworks On3 sectional track systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for On3 locomotives and rolling stock\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrates with straight, curved, bumper, tunnel, and specialty track sections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for conventional DC and DCC layouts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e➕ Pairs Well With\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMainline Railworks On3 Straight Track\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMainline Railworks On3 Curved Track\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOn3 Starter Loop Sets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBumper Track Sections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTunnel Track Sections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOn3 Specialty Track Sections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e⚠️ Builder Tip\u003c\/h2\u003e\n\u003cp\u003eFor larger layouts, consider placing feeder sections at multiple locations rather than relying on a single electrical connection. This can help maintain more consistent power throughout the railroad and makes future expansion easier.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Mainline Products","offers":[{"title":"Default Title","offer_id":48809555132661,"sku":"MR-O3SF-10","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0343\/3717\/files\/1786304946508_1786303738362_IMG_0316.jpg?v=1786327321"}],"url":"https:\/\/3dptrain.com\/collections\/on3-code-100-track-elements.oembed","provider":"3Dp Train","version":"1.0","type":"link"}