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The collection is suitable for villas, hotel lobbies, offices, galleries, retail interiors, and premium residential spaces.\n\nFurthermore:\n\nYou don't need to worry about material setup or scene optimization. Every model has been professionally organized with clean topology, production-ready UV mapping, realistic wood, glass, metal, and painted surface textures, optimized geometry, and physically accurate materials suitable for close-up rendering and large-scale architectural projects.\n\nThe collection features a broad range of spiral stair details including helical stair flights, curved outer shells, open risers, timber steps, glass guardrails, metal handrails, central support columns, and elegant landing transitions.\n\nThe surface patterns are carefully designed to simulate realistic timber grain, satin-painted metal, transparent glass, polished hardware, refined curved edges, and subtle material variation that enhance realism in architectural visualization.\n\nLighting materials are optimized for realistic illumination effects, soft shadow casting, reflective glass response, polished metal highlights, warm timber tones, and natural daylight interaction, making the collection suitable for cinematic architectural rendering and photorealistic visualization.\n\nThese models work perfectly in villas, apartments, hotel lobbies, offices, galleries, retail spaces, virtual staging, VR/AR walkthroughs, architectural animation, and high-quality commercial rendering.\n\nThe collection is ideal for architects, interior designers, 3D artists, visualization studios, construction planners, game developers, metaverse creators, VR projects, Unreal Engine environments, and commercial presentation workflows.\n\nThe modular staircase organization allows flexible placement and easy customization for different floor heights, room footprints, railing styles, shell colors, material palettes, and architectural compositions. Individual components can be adapted for bespoke circulation systems.\n\nThe overall artistic style is contemporary, sculptural, minimal, elegant, premium, architectural, clean-lined, production-ready, and structurally detailed while maintaining realistic material quality and high-end interior design aesthetics.\n\nAll materials, surface textures, railing elements, structural details, and geometry have been optimized for high-quality rendering performance and professional architectural visualization workflows.\n\nIf you have any questions or additional requirements, please feel free to contact me anytime. Your support and positive review are always greatly appreciated. Thank you and enjoy using this project!\n\n    The package includes Blender (Cycles/Eevee), 3ds Max + V-Ray, and FBX formats. All visible details, including textures, materials, lighting, cameras, and geometry, are fully included and optimized for fast rendering. 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This is a custom design that can be updated and changed.  \n\n\nThis model is exported in various formats, so please let me know if you have any issues with the files. I can also create custom designs with specific dimensions. So please contact me here or at dcographicstudio@gmail.com\n\nNotes: -Objects are separated by layers, and have materials applied.\n-These can be overridden with your own for quick update.\n-Everything is ready to render.\n\nIf you want to know how these structures were made make sure you visit my Youtube page where I have tutorials. Make sure to subscribe! https://www.youtube.com/channel/UC6NXKKakAiQi7R1vt2c84Ig\n\nhttps://youtu.be/9Gqvg70CXss https://youtu.be/OrapTE3LP-Q\n","imageAlt":"3D model Spiral Staircase with Railing Architectural 1","url":"https://www.cgtrader.com/3d-models/architectural/engineering/spiral-staircase-with-railing-architectural-details-cd618500-4b4b-4c22-a4c6-0ef32d890768","isCLDApplicable":false,"isSaleOffApplicable":true,"gaAttributes":{},"primaryImage":{"gridFallbackUrl":"https://media.cgtrader.com/variants/9bAuMgkUyoiMC485nxM2VGg3/a26e47dab5f2d22c43d6c5ce4b4b46ecc30c70918878397cba1a10c1e35d7bfc/01000.jpg","gridUrl":"https://media.cgtrader.com/variants/9bAuMgkUyoiMC485nxM2VGg3/78add9c2f02fbd73a43ffb3970be38683c5f15eff6ca849dc78c644f4ff9ce1b/01000.webp","isAdultContent":false},"modelInfo":{"modelUrl":"https://www.cgtrader.com/3d-models/architectural/engineering/spiral-staircase-with-railing-architectural-details-cd618500-4b4b-4c22-a4c6-0ef32d890768","isCgtVerified":false,"types":{"printReady":false,"animated":false,"pbr":false,"rigged":false,"lowPoly":false}},"metaverseFormatsList":[{"id":4,"name":".dwg","is_native":false},{"id":5,"name":".fbx","is_native":false},{"id":12,"name":".obj","is_native":false},{"id":25,"name":".dae","is_native":false},{"id":7,"name":".dxf","is_native":false},{"id":51,"name":".stl","is_native":false},{"id":2,"name":".3ds","is_native":false},{"id":13,"name":".3dm","is_native":false}],"categorySlug":"architectural","subcategorySlug":"engineering","categoryTitle":"Architectural","subcategoryTitle":"Engineering","schemaImageUrl":"https://img-new.cgtrader.com/items/2596659/9789c4e82c/spiral-staircase-with-railing-architectural-details-3d-model-9789c4e82c.webp","saleOffDiscount":50,"eligibleForSubscription":true,"subscriptionSubscribed":false,"subscriptionPotential":true,"subscriptionTierBand":"premium"}},{"id":"105498","type":"listingItem","attributes":{"id":105498,"title":"Staircase computer screen showing set of stairs","price":0.0,"description":"\u003cp\u003ethe frame of the stairs is in the wall\u003c/p\u003e","imageAlt":"Staircase 3D model","url":"https://www.cgtrader.com/free-3d-models/architectural/other/staircase--7","isCLDApplicable":false,"isSaleOffApplicable":false,"gaAttributes":{},"primaryImage":{"gridFallbackUrl":"https://media.cgtrader.com/variants/1fu5fFmNYcVRSNJP35XyTRBt/a26e47dab5f2d22c43d6c5ce4b4b46ecc30c70918878397cba1a10c1e35d7bfc/staircase-3d-model-ipt.jpg","gridUrl":"https://media.cgtrader.com/variants/1fu5fFmNYcVRSNJP35XyTRBt/78add9c2f02fbd73a43ffb3970be38683c5f15eff6ca849dc78c644f4ff9ce1b/staircase-3d-model-ipt.webp","isAdultContent":false},"modelInfo":{"modelUrl":"https://www.cgtrader.com/free-3d-models/architectural/other/staircase--7","isCgtVerified":false,"types":{"printReady":false,"animated":false,"pbr":false,"rigged":false,"lowPoly":false}},"metaverseFormatsList":[{"id":71,"name":".iam","is_native":true}],"categorySlug":"architectural","subcategorySlug":"other","categoryTitle":"Architectural","subcategoryTitle":"Other","schemaImageUrl":"https://img-new.cgtrader.com/items/105498/5c46ac9a39/staircase-computer-screen-showing-set-of-stairs-3d-model-5c46ac9a39.webp","saleOffDiscount":0,"eligibleForSubscription":false,"subscriptionSubscribed":false,"subscriptionPotential":false,"subscriptionTierBand":null}},{"id":"3440131","type":"listingItem","attributes":{"id":3440131,"title":"Rusty Metal Spiral Stairs","price":20.0,"description":"**METAL SPIRAL STAIRS v3**\n\n_by Ufuk Orbey (shadedancer619) / Made in: Cinema4D R19_\n\n..........................................................................................................................\n\n**DESCRIPTION**:\n\nThis model pack contains five spiral stairs in various angles and height which are spinning to left or right. \n\n..........................................................................................................................\n\n**FILE FORMATS**:\n\nMtStairs.C4D contains all 5 stairs together in one file. This file needs \"tex\" folder for textures.\n\nMtStairs(FORMATS).C4D contains all baked 5 stairs together in one file. This file needs \"UVtex\" folder for textures.\n\nms3DS.RAR (Autodesk 3DS) contains all 5 stairs individualy. 5 files in the archive RAR. This file needs \"UVtex\" folder for baked textures.\n\nmsOBJ.RAR (Wavefront OBJ/MTL) contains all 5 stairs individualy. 10 files in the archive RAR. This file needs \"UVtex\" folder for baked textures.\n\nmsDAE.RAR (Collada DAE 1.5) contains all 5 stairs individualy. 5 files in the archive RAR. This file needs \"UVtex\" folder for baked textures.\n\nmsFBX.RAR (Autodesk FBX 7.5) contains all 5 stairs individualy. 5 files in the archive RAR. This file needs \"UVtex\" folder for baked textures.\n\n..........................................................................................................................\n\n**TEXTURE RAR ARCHIVES**:\n\nTEX.RAR has 20 JPG images for all stairs in one file. If you use them in Cinema 4D you need all materials with alpha channels.\n\nUVTEX.RAR has 45 UVW JPG images for all files. It has unwrapped-baked textures inside.\n\n..........................................................................................................................\n\n**TEXTURES**:\n\nUVW images are in 10214 and 2048 pixel sizes. All they are high quality JPG images.\n\n..........................................................................................................................\n\n**COUNTS**:\n\n116,693 points (total)\n\n120,513 polygons (total)\n\n..........................................................................................................................\n\n**INFO**:\n\n-Follow my tutorials in youtube: \n\nhttps://www.youtube.com/channel/UCtYvZ8BDNXcx8rfOF-mDxZw\n\n-Need some photoshop brushes or images? I'm here: \n\nhttps://shadedancer619.deviantart.com/\n\n**Enjoy!\n\nSee you...**","imageAlt":"3D Rusty Metal Spiral Stairs","url":"https://www.cgtrader.com/3d-models/architectural/other/rusty-metal-spiral-stairs","isCLDApplicable":false,"isSaleOffApplicable":false,"gaAttributes":{},"primaryImage":{"gridFallbackUrl":"https://media.cgtrader.com/variants/m1FL8zQMNnEy5JyHw3Ue6qGr/a26e47dab5f2d22c43d6c5ce4b4b46ecc30c70918878397cba1a10c1e35d7bfc/01.jpg","gridUrl":"https://media.cgtrader.com/variants/m1FL8zQMNnEy5JyHw3Ue6qGr/78add9c2f02fbd73a43ffb3970be38683c5f15eff6ca849dc78c644f4ff9ce1b/01.webp","isAdultContent":false},"modelInfo":{"modelUrl":"https://www.cgtrader.com/3d-models/architectural/other/rusty-metal-spiral-stairs","isCgtVerified":false,"types":{"printReady":false,"animated":false,"pbr":false,"rigged":false,"lowPoly":false}},"metaverseFormatsList":[{"id":6,"name":".c4d","is_native":true},{"id":5,"name":".fbx","is_native":false},{"id":2,"name":".3ds","is_native":false},{"id":25,"name":".dae","is_native":false},{"id":12,"name":".obj","is_native":false},{"id":null,"name":null,"is_native":false}],"categorySlug":"architectural","subcategorySlug":"other","categoryTitle":"Architectural","subcategoryTitle":"Other","schemaImageUrl":"https://img-new.cgtrader.com/items/3440131/d80567dc8a/rusty-metal-spiral-stairs-3d-model-d80567dc8a.webp","saleOffDiscount":0,"eligibleForSubscription":true,"subscriptionSubscribed":true,"subscriptionPotential":false,"subscriptionTierBand":"premium"}},{"id":"2694778","type":"listingItem","attributes":{"id":2694778,"title":"Stone Main Stair 3D Asset - Free High-Quality Modular Stair","price":0.0,"description":"Stone Main Stair 3D Asset - Free High-Quality Modular Stair (For Unreal Engine and Other Popular Software)\n\nIntroducing the Stone Main Stair 3D Asset - Free! This modular 3D model design is perfect for game developers, filmmakers, and 3D artists seeking a versatile and realistic stone stair model. Ideal for creating detailed architectural environments with ease.\n\nKey Features:\n\n- Modular 3D Model Design: Flexible design for building custom stair configurations to fit any project.\n- PBR Texture 4096x4096: Ultra-high-resolution PBR textures with accurate roughness and metalness maps for photorealistic results.\n- Low to Mid-Polygon 3D Model: Optimized for performance while maintaining high visual quality.\n- Doesn’t Need Any Additional Plugins: Ready to use directly in your projects without the need for external plugins.\n- High-Quality Model Topology: Clean and efficient topology, ensuring smooth performance and easy customization.\n- All Objects Are Intelligently Separated: Allows for easy modification, material swapping, or animation.\n- Easily Change or Apply New Materials: Adapt the model to match your project’s unique style or requirements.\n- Suitable For Close-Up Rendering: Perfect for scenes that require detailed and realistic visuals.\n- Suitable For Animation, Games, and High-Quality Visualization: Versatile asset for various industries, from game development to film production.\n- Suitable For Post-Production: Ideal for enhancing rendered scenes with detailed architectural elements.\n\nWhy Choose This Free Asset?\n\n- High-Quality and Realistic Design: The stone stair model is crafted to provide stunning detail and realism, making it a valuable addition to any project.\n- Optimized for Performance: Designed to maintain a balance between visual quality and performance across platforms.\n- Easy to Use and Modify: Intuitive organization and intelligent separation of parts make this asset user-friendly and flexible.\n\nGet started on your next project with the Stone Main Stair 3D Asset - Free today! Whether you’re building a historical setting, fantasy world, or realistic architectural visualization, this free asset will deliver professional results.\n\nDesigned by SFDEMIR (Sabri Fırat Demir), this free 3D model is a must-have addition to your library. Download now and elevate your projects!\n\n- Modular 3D Model Design\n- PBR Texture 4096x4096\n- All Model Part Clean\n- Low - Mid Polygon 3D Model\n- Doesnt Need Any Additional Plugins\n- High Quality / Model Topology\n- Suitable For Close-Up Rendering\n- All Objects Are Intelligently Separated\n- You Can Easily Change Or Apply New Materials\n- Suitable For Animation / Games And High Quality Photorealistic Visualization\n\nSuitable For Post Production\n\nPersonal License: This license is for individual creators or small teams with annual revenue or funding under $100K in the last 12 months. Ideal for hobbyists, freelancers, or small-scale developers working on personal or non-commercial projects. This affordable option ensures access to high-quality assets without stretching your budget.\n\nProfessional License: This license is tailored for studios, companies, or entities generating over $100K in annual revenue or funding in the past 12 months. It grants full commercial rights for large-scale projects in gaming, film, or advertising. Designed for professional environments, this license includes extended support and access to advanced features.\n\n2024 SFDEMIR - Sabri Fırat Demir. 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I'd like to think of them as functional art, which is where this result came from! It was generated using Archimesh and adjusted until you see what you have here.  \n\nThis staircase is a combination of metal, wood and concrete, with my own original textures, and demonstrated with some frames, using textures from textures.com. The tri-color approach makes these steps so classy and that hint of glass on the inside rail balusters, **_OH, LOVE IT!_**  \n\n**_So, what's in the box:_**  \n - _Spiral staircase, as shown_  \n - _Joined landing blocks, just for reference_  \n - _3 Tileable Textures that are for NPR, but have a PBR workflow:_   \n    - _Concrete Smooth_   \n    - _Redwood_   \n    - _Metal Powder Coat_   \n    - _All contain: Diffuse, Roughness and Normal JPEG maps at a resolution of 1024 x 1024_   \n\nThis is such a labor of love and such a focal point that would look incredible no matter where you put it! And the best part is that it's tall enough for you to use with almost any shot! Most steps are actually a turn or so shorter.\n\nGreat uses would be for a central stair case in a large home, central in a library, or retextured for other more domestic shots. Since you get the material slots and it's already unwrapped (some projection mapping), you can pretty easily and quickly pop in whatever material/look you want - even uniting the current 3-part materials to 1 or 2.\n\n**_Regardless of how you use it - or break it for an apocalyptic scene - it is an incredible asset to say the least._**\n\nI consider this to be a medium to low-poly model, but check the count to make sure it's perfect for your project!\n\n**_NOTE:_** Blender's Principled BSDF shader is not compatible amongst all formats - use the textures or your own to get the materials that are perfect for your project! HDRi not included.\n\nHave a great one!   \nGOD bless! 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