{"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","url":"https:\/\/3dptrain.com\/products\/mainline-railworks-on3-code-100-sectional-curve-track","provider":"3Dp Train","version":"1.0","type":"link"}