{"product_id":"mr-o30c","title":"On30 Sectional Curve Track","description":"\u003ch1\u003eMainline Railworks On30 Curved Track\u003c\/h1\u003e\u003ch3 style=\"margin-top: 1em; margin-bottom: 0.5em;\"\u003e\u003c!--StartFragment--\u003e\u003c\/h3\u003e\u003cp style=\"\"\u003e\u003cspan style=\"font-weight: normal;\"\u003eMainline Railworks On30 Curved Track is designed specifically for On30 modelers who want both reliable operation and authentic narrow gauge appearance. Whether you're building a compact logging line, an industrial switching layout, or a sprawling mountain railroad, these precision sectional curves make layout planning simple while delivering smooth, dependable performance.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"\"\u003e\u003cspan style=\"font-weight: normal;\"\u003eAll curved track sections are sold individually, allowing you to build the exact radius, angle, and track plan your railroad requires.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003chr style=\"font-weight: bold;\"\u003e\u003ch2\u003e\u003cspan style=\"font-size: 1.125rem; color: rgb(20, 26, 31);\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/h2\u003e\u003ch2\u003e\u003cspan style=\"font-size: 1.125rem; color: rgb(20, 26, 31);\"\u003e🚂 Designed for On30\u003c\/span\u003e\u003c\/h2\u003e\u003ch3 style=\"margin-top: 1em; margin-bottom: 0.5em;\"\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eThe right gauge is only half the story.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eWhile On30 equipment runs on HO gauge track, most HO track is designed for standard gauge railroads. The smaller ties, tighter spacing, and narrower profile can look undersized beneath On30 locomotives and rolling stock.\u003c\/p\u003e\u003cp\u003eMainline Railworks On30 track is purpose-built for On30, featuring oversized ties, realistic spacing, and a wider track profile that better captures the appearance of real narrow gauge railroads. The result is a layout that not only operates reliably—but looks the way an On30 railroad should.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\u003ch2\u003e🚂 Why This Matters\u003c\/h2\u003e\u003ch3 style=\"margin-top: 1em; margin-bottom: 0.5em;\"\u003e\u003c\/h3\u003e\u003cp\u003eConsistent curve geometry is essential for dependable operation. Properly matched sectional curves reduce derailments, simplify layout planning, and make it easy to expand your railroad as it grows.\u003c\/p\u003e\u003cp\u003eCombined with the realistic proportions of purpose-built On30 track, you get a system designed to perform as well as it looks.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003e🏔 Perfect For\u003c\/h2\u003e\u003ch3 style=\"margin-top: 1em; margin-bottom: 0.5em;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003eLogging and mining railroads\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eIndustrial switching layouts\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eCompact tabletop and shelf layouts\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eModular railroad systems\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eTemporary display layouts\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eExpanding existing On30 railroads\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003cbr\u003e\n\u003c\/h3\u003e\u003ch2\u003e🔧 Key Features\u003c\/h2\u003e\u003ch3 style=\"margin-top: 1em; margin-bottom: 0.5em;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003ePurpose-built On30 sectional track\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eSold individually for maximum layout flexibility\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eRealistic narrow gauge tie size and spacing\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eWider track profile for improved appearance\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003ePrecision-matched sectional geometry\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eReliable alignment and smooth operation\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eDurable construction for repeated assembly and teardown\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eBeginner-friendly while scalable for advanced layouts\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003c\/h3\u003e\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\u003ch2\u003e⚙️ Compatibility\u003c\/h2\u003e\u003ch3 style=\"margin-top: 1em; margin-bottom: 0.5em;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003eCompatible with Mainline Railworks On30 sectional track systems\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eDesigned specifically for On30 locomotives and rolling stock\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eIntegrates with Mainline Railworks straight, feeder, bumper, tunnel, and specialty track sections\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eSuitable for temporary, modular, and permanent layouts\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003c\/h3\u003e\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\u003ch2\u003e📐 Curve Geometry Options\u003c\/h2\u003e\u003ch3 style=\"margin-top: 1em; margin-bottom: 0.5em;\"\u003e\u003c\/h3\u003e\u003cp\u003eMainline Railworks curved track is available in multiple radius and angle configurations, allowing you to create everything from compact industrial trackage to sweeping scenic railroads.\u003c\/p\u003e\u003ch3\u003eAvailable Angle Options\u003c\/h3\u003e\u003ch3 style=\"margin-top: 1em; margin-bottom: 0.5em;\"\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eA — 22.5° Sections\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e16 sections complete a full circle\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eIdeal for balanced loops and general-purpose layouts\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eB — 11.25° Sections\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e32 sections complete a full circle\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003ePerfect for smooth transitions and precise track planning\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eC — 45° Sections\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e8 sections complete a full circle\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eGreat for compact layouts and rapid assembly\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003chr\u003e\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\u003ch2\u003e📏 Radius Options\u003c\/h2\u003e\u003ch3 style=\"margin-top: 1em; margin-bottom: 0.5em;\"\u003e\u003c\/h3\u003e\u003cp\u003eChoose from multiple radii to build:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003eCompact shelf layouts\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eMining and logging branches\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eIndustrial switching districts\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eModular railroads\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eBroad scenic mainlines\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSmaller radii maximize limited space, while broader curves provide a more prototypical appearance and smoother operation.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\u003ch2\u003e➕ Pairs Well With\u003c\/h2\u003e\u003ch3 style=\"margin-top: 1em; margin-bottom: 0.5em;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003eMainline Railworks Straight Track\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eFeeder Track Sections\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eTunnel Track Sections\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eBumper Track Sections\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eStarter Loop Sets\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003c\/h3\u003e\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\u003ch2\u003e⚠️ Builder Tip\u003c\/h2\u003e\u003ch3 style=\"margin-top: 1em; margin-bottom: 0.5em;\"\u003e\u003c\/h3\u003e\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\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\u003ch2\u003e🛠 Custom Geometry Options\u003c\/h2\u003e\u003ch3 style=\"margin-top: 1em; margin-bottom: 0.5em;\"\u003e\u003c\/h3\u003e\u003cp\u003eNeed a specific radius or custom configuration? Mainline Railworks can produce additional curve geometries and specialty track sections for unique On30 layout requirements.\u003c\/p\u003e\u003c!--EndFragment--\u003e\n\u003ch3 style=\"font-weight:bold;margin-top:1em;margin-bottom:0.5em;\"\u003eThis 3d printed kit includes the following parts:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1x MR-O30C24Ap3-C100 (PLA (Black), 62.5 × 0.8 × 217.4 mm)\u003c\/li\u003e\n\u003cli\u003e1x MR-O30C24Ap2-C100 (PLA Wood (Black Walnut), 83.1 × 1.9 × 240.6 mm)\u003c\/li\u003e\n\u003cli\u003e1x MR-O30C24Ap1-C100 (PLA (Grey), 95.3 × 6.4 × 243.0 mm)\u003c\/li\u003e\n\u003cli\u003e20x 100 (Micro Engineering Rail)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mainline Products","offers":[{"title":"Default Title","offer_id":48509161636085,"sku":"MR-O30C-24","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0343\/3717\/files\/1785805338624_IMG_0220.jpg?v=1785961678","url":"https:\/\/3dptrain.com\/products\/mr-o30c","provider":"3Dp Train","version":"1.0","type":"link"}