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I have no enginearing background, therefore i cannot guarantee that the model will meet international standard requirements. Use it at your own risk.  \n-  Right hand and left hand versions are included.\n\n- Modelled as single watertight shell. Inspected for errors. Ready to print.  \n-  File formats: STL, OBJ, WRL, AMF\n- Preview images are rendered in 3D software. 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Pressure angle is a standard 14.5 degrees. Diametrical pitch is provided as 16 teeth/inch. 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Located in the Pacific Ocean off the northeast coast of the Asian mainland.","imageAlt":"Japan Flag on a double helical spiral structure 3D model","url":"https://www.cgtrader.com/3d-models/architectural/decoration/japan-flag-on-a-double-helical-spiral-structure","isCLDApplicable":false,"isSaleOffApplicable":true,"gaAttributes":{},"primaryImage":{"gridFallbackUrl":"https://media.cgtrader.com/variants/PFMAGhu99V6qBiTby2RXXpoq/a26e47dab5f2d22c43d6c5ce4b4b46ecc30c70918878397cba1a10c1e35d7bfc/Japan%20double%20Spiral%20Flag_01.jpg","gridUrl":"https://media.cgtrader.com/variants/PFMAGhu99V6qBiTby2RXXpoq/78add9c2f02fbd73a43ffb3970be38683c5f15eff6ca849dc78c644f4ff9ce1b/Japan%20double%20Spiral%20Flag_01.webp","isAdultContent":false},"modelInfo":{"modelUrl":"https://www.cgtrader.com/3d-models/architectural/decoration/japan-flag-on-a-double-helical-spiral-structure","isCgtVerified":false,"types":{"printReady":false,"animated":false,"pbr":false,"rigged":false,"lowPoly":false}},"metaverseFormatsList":[{"id":2,"name":".3ds","is_native":false},{"id":5,"name":".fbx","is_native":false},{"id":117,"name":".gltf","is_native":false},{"id":null,"name":null,"is_native":false},{"id":21,"name":".blend","is_native":false},{"id":17,"name":".max","is_native":false},{"id":25,"name":".dae","is_native":false},{"id":12,"name":".obj","is_native":false},{"id":51,"name":".stl","is_native":false},{"id":216,"name":".jpg","is_native":false}],"categorySlug":"architectural","subcategorySlug":"decoration","categoryTitle":"Architectural","subcategoryTitle":"Decoration","schemaImageUrl":"https://img-new.cgtrader.com/items/5731563/42b5d31f4c/japan-flag-on-a-double-helical-spiral-structure-3d-model-42b5d31f4c.webp","saleOffDiscount":50,"eligibleForSubscription":true,"subscriptionSubscribed":true,"subscriptionPotential":false}},{"id":"4200527","type":"listingItem","attributes":{"id":4200527,"title":"Spiral staircase 10","price":3.0,"description":"- Name: Spiral staircase 10\n- Formats: 3Ds Max 2015, OBJ\n- Units: Centimeters\n- Step Height: 17cm\n- Number of steps: 19 (it goes up 323cm)\n- Preview renderer: Corona\n- Material: Metal, glass, Wood\n- Polys: 57,071\n- Verts: 57,140\n- unique names","imageAlt":"Spiral staircase 10 3D","url":"https://www.cgtrader.com/3d-models/architectural/other/spiral-staircase-10","isCLDApplicable":false,"isSaleOffApplicable":true,"gaAttributes":{},"primaryImage":{"gridFallbackUrl":"https://media.cgtrader.com/variants/1wGSD8cLhVpQDLmXg4StLvnn/a26e47dab5f2d22c43d6c5ce4b4b46ecc30c70918878397cba1a10c1e35d7bfc/p1.jpg","gridUrl":"https://media.cgtrader.com/variants/1wGSD8cLhVpQDLmXg4StLvnn/78add9c2f02fbd73a43ffb3970be38683c5f15eff6ca849dc78c644f4ff9ce1b/p1.webp","isAdultContent":false},"modelInfo":{"modelUrl":"https://www.cgtrader.com/3d-models/architectural/other/spiral-staircase-10","isCgtVerified":false,"types":{"printReady":false,"animated":false,"pbr":false,"rigged":false,"lowPoly":false}},"metaverseFormatsList":[{"id":17,"name":".max","is_native":true},{"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/4200527/bfbd28ef55/spiral-staircase-10-3d-model-bfbd28ef55.webp","saleOffDiscount":30,"eligibleForSubscription":true,"subscriptionSubscribed":false,"subscriptionPotential":true}},{"id":"2837345","type":"listingItem","attributes":{"id":2837345,"title":"Rounded bar helical pattern large statement ring","price":8.0,"description":"Rounded bar helical pattern statement ring\n\nSize US 6,7,8,9,10,11.\n\nRefer to the last picture for the volume of the ring.\n\nFor 3d printing on SLA and DLP printers .\n\nReady to print with the possibility to be scaled. Provided with slt,obj for 3d printing .\n\nMade in solidworks 2020 with highly detailed STLs for optimum 3d printing results.\n\nPerfect for gold and silver jewelery.\n\nTo be used by jewelry designers and craftsmens. Please contact us for any inquiries and modifications.\n\nCheck my previous models for similar designs","imageAlt":"3D print model Rounded bar helical pattern large 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Accessory Collection 01","price":8.0,"description":"**Gear accessory collection, accurately modeled and ready for use in CAD and 3D print applications.** Modeled in Autodesk Inventor and provided in multiple file formats (IPT/IAM, STP, SAT, IGS, and STL). Gears are constructed with modular geometry, allowing them to be combined in an endless variety of ways. Easily create complex power transmission systems that produce rotational motion, speed multipliers, and torque multipliers. Perfect for both digital and physical mechanical design projects.\n\nNative Autodesk Inventor 2012 files are provided with intact browser trees and parameter tables to allow full configurability and customization.\n\n\n**Collection includes 3 gear systems:**\n\n- Rack and pinion system\n- Bevel gear system (1:1 ratio)\n- Worm gear system (16:1 reduction ratio)\n\n\n**Collection includes 6 models:**\n\n- Bevel gear, 16-tooth, round bore with keyway (1.00in pitch diameter, 25.4mm reference diameter)\n- Spur gear, 8-tooth, D-profile bore (0.50in pitch diameter, 12.7mm reference diameter)\n- Spur gear, 16-tooth, round bore with keyway (1.00in pitch diameter, 25.4mm reference diameter)\n- Gear rack, 16-tooth (4.00in (101.6mm) eye-to-eye distance)\n- Spacer, round bore (0.25in (6.35mm) face width)\n- Helical worm, D-profile bore (0.50in pitch diameter, 12.7mm reference diameter)\n\n\nAll gear tooth profiles are precisely modeled with accurate arc-based geometry and a small amount of backlash to ensure proper engagement.\n\nAll gears are provided with a diametrical pitch of 16 teeth/inch (module 1.6). All gear bores are designed for a 0.25in (6.35mm) nominal shaft size. Gears can be easily scaled to create any diametrical pitch or module that you may need.\n\nThe centerline distance between any two mating gears is ( First Gear Pitch Diameter + Second Gear Pitch Diameter ) / 2.\n\n\n**All models are provided in 5 file formats:**\n\n- IPT/IAM (Autodesk Inventor 2012 format for CAD)\n- STP (general solid model format for CAD)\n- SAT (general solid model format for CAD)\n- IGS (general solid model format for CAD)\n- STL (general surface model format for 3D print)\n\nProduct also includes a Read Me text file (TXT format) detailing the physical dimensions of all gears.\n\n\n**Want more gears that are compatible with this product? Download additional gear collections:**\n\n- Assorted Gear Collection 01 - https://www.cgtrader.com/3d-print-models/hobby-diy/mechanical-parts/ultimate-gear-collection\n- Spur Gear Collection 01 - https://www.cgtrader.com/3d-print-models/hobby-diy/mechanical-parts/spur-gear-collection\n- Planetary Gear Collection 01 - https://www.cgtrader.com/3d-print-models/hobby-diy/mechanical-parts/planetary-gear-collection\n\n\nIf you have any questions, either before or after purchasing this model collection, please feel free to contact me here on CGTrader and I will help in any way possible.\n\n_CBSpicer_","imageAlt":"3D printable model Gear Accessory Collection 01","url":"https://www.cgtrader.com/3d-print-models/hobby-diy/mechanical-parts/gear-accessory-collection","isCLDApplicable":false,"isSaleOffApplicable":true,"gaAttributes":{},"primaryImage":{"gridFallbackUrl":"https://media.cgtrader.com/variants/T8v7aoXAEocpszUc3rx5EKMU/a26e47dab5f2d22c43d6c5ce4b4b46ecc30c70918878397cba1a10c1e35d7bfc/_Accessories_Iso.jpg","gridUrl":"https://media.cgtrader.com/variants/T8v7aoXAEocpszUc3rx5EKMU/78add9c2f02fbd73a43ffb3970be38683c5f15eff6ca849dc78c644f4ff9ce1b/_Accessories_Iso.webp","isAdultContent":false},"modelInfo":{"modelUrl":"https://www.cgtrader.com/3d-print-models/hobby-diy/mechanical-parts/gear-accessory-collection","isCgtVerified":false,"types":{"printReady":true,"animated":false,"pbr":false,"rigged":false,"lowPoly":false}},"metaverseFormatsList":[{"id":71,"name":".iam","is_native":false},{"id":29,"name":".ige","is_native":false},{"id":147,"name":".sat","is_native":false},{"id":51,"name":".stl","is_native":false},{"id":72,"name":".stp","is_native":false}],"categorySlug":"hobby-diy","subcategorySlug":"mechanical-parts","categoryTitle":"Hobby \u0026 DIY","subcategoryTitle":"Mechanical parts","schemaImageUrl":"https://img-new.cgtrader.com/items/694209/137b0c61da/gear-accessory-collection-01-3d-model-137b0c61da.webp","saleOffDiscount":30,"eligibleForSubscription":true,"subscriptionSubscribed":false,"subscriptionPotential":true}},{"id":"4165761","type":"listingItem","attributes":{"id":4165761,"title":"Xmas gear tree decoration","price":3.0,"description":"This is a model of an engineering xmas decoration of a gear tree.\nIt is made out of 3 helical gears with a helix angle of 20 degrees. The bottom gear is trimmed in half in order to make a flat base so that it can be also used as a desk accessorie.\nThe ring on the upper side is added so that it can be used as a christmas tree decoration.\nYou can scale it and print it according to your needs.\nPlease feel free to contact me if you need an further support on 3D  models or if you need any customization on this model.\nAlong with the native Solidworks file, you can also find parasolid, iges and step formats as well as stl, amf and 3mf. Polygon file is also attached.","imageAlt":"Xmas gear tree decoration 3D printable model","url":"https://www.cgtrader.com/3d-print-models/house/decor/xmas-gear-tree-decoration","isCLDApplicable":false,"isSaleOffApplicable":true,"gaAttributes":{},"primaryImage":{"gridFallbackUrl":"https://media.cgtrader.com/variants/if9xV72ASWXLt4mgweapL8C2/a26e47dab5f2d22c43d6c5ce4b4b46ecc30c70918878397cba1a10c1e35d7bfc/untitled.176.jpg","gridUrl":"https://media.cgtrader.com/variants/if9xV72ASWXLt4mgweapL8C2/78add9c2f02fbd73a43ffb3970be38683c5f15eff6ca849dc78c644f4ff9ce1b/untitled.176.webp","isAdultContent":false},"modelInfo":{"modelUrl":"https://www.cgtrader.com/3d-print-models/house/decor/xmas-gear-tree-decoration","isCgtVerified":false,"types":{"printReady":true,"animated":false,"pbr":false,"rigged":false,"lowPoly":false}},"metaverseFormatsList":[{"id":129,"name":".3mf","is_native":false},{"id":191,"name":".amf","is_native":false},{"id":29,"name":".ige","is_native":false},{"id":59,"name":".sldprt","is_native":false},{"id":51,"name":".stl","is_native":false}],"categorySlug":"house","subcategorySlug":"decor","categoryTitle":"Home \u0026 Living","subcategoryTitle":"Home decor","schemaImageUrl":"https://img-new.cgtrader.com/items/4165761/1940be3b4f/xmas-gear-tree-decoration-3d-model-1940be3b4f.webp","saleOffDiscount":30,"eligibleForSubscription":false,"subscriptionSubscribed":false,"subscriptionPotential":false}},{"id":"2900599","type":"listingItem","attributes":{"id":2900599,"title":"3D printable Linear Actuator ","price":5.99,"description":"Hi,\nI designed this linear actuator. You can print these parts with 3d printer and it's works harmoniously. You know this things provides a linear movement.  I used 775 motor (100 watt) and I get a cool results. So the maximum axial load theoritically 250 Newton(~25 kg or ~ 56 lb). But if you use 775 motor which is one of 150 watt, this time axial load will theoritically 380 Newton (~38 kg or ~ 85 lb). The Piston stroke is 120 mm and piston speed about 30 mm/s. So 4 sec to required to full stroke. \nThere is a small gearbox in the system. It has a 6 gear ratio. I used helical gears and they have m=0.8 mm and m=1 mm normal modules. The threaded rod is 8 mm diameter (M8) and the shaft of second stage has a 6 mm diameter. Nuts also M8. I used three 608zz ball bearings for support to threaded rod. \nIf you make this project, The body does not need to be so strong. Because the body only meets the friction force between the lead screw and the nut. So you can print with %20 infill and 0.2 mm layer height for stationary parts.\nYou should print the gears with lower layer height (0.12 mm -0.16 mm). 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Its simplicity in shape allows it to be easily integrated into different assemblies.\n\nModeled in SolidWorks 2024 and rendered in KeyShot 2023.\n\n**Purpose:** The extension spring is ideal for applications requiring tension or for educational demonstrations of mechanical principles.\n\n**Assembly Instructions:** No assembly required. Utilize the ends of the spring for attachment to different components or fixtures as needed.\n\nIn addition to the native SolidWorks Part File (.sldprt), following file formats of the model are included as well:\n1. KeyShot Package File (.ksp)\n2. File formats (.3mf, .obj, .stl, .fbx, .glb, .amf)\n3. File formats (.step, .igs, .sat, parasolid)\n\nA 3D pdf file of the model is added as well. 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