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Included File Formats
This model is provided in 14 widely supported formats, ensuring maximum compatibility:
• - FBX (.fbx) – Standard format for most 3D software and pipelines
• - OBJ + MTL (.obj, .mtl) – Wavefront format, widely used and compatible
• - STL (.stl) – Exported mesh geometry; may be suitable for 3D printing with adjustments
• - STEP (.step, .stp) – CAD format using NURBS surfaces
• - IGES (.iges, .igs) – Common format for CAD/CAM and engineering workflows (NURBS)
• - SAT (.sat) – ACIS solid model format (NURBS)
• - DAE (.dae) – Collada format for 3D applications and animations
• - glTF (.glb) – Modern, lightweight format for web, AR, and real-time engines
• - 3DS (.3ds) – Legacy format with broad software support
• - 3ds Max (.max) – Provided for 3ds Max users
• - Blender (.blend) – Provided for Blender users
• - SketchUp (.skp) – Compatible with all SketchUp versions
• - AutoCAD (.dwg) – Suitable for technical and architectural workflows
• - Rhino (.3dm) – Provided for Rhino users

Model Info
• - All files are checked and tested for integrity and correct content
• - Geometry uses real-world scale; model resolution varies depending on the product (high or low poly)
• - Scene setup and mesh structure may vary depending on model complexity
• - Rendered using Luxion KeyShot
• - Affordable price with professional detailing

Buy with confidence. Quality and compatibility guaranteed.
If you have any questions about the file formats, feel free to send us a message — we're happy to assist you!

Sincerely,
SURF3D
Trusted source for professional and affordable 3D models.

More Information About 3D Model :
This 3D model represents a high-precision two-fin blade fan propeller, engineered based on the classical principles of the Archimedes screw. Characterized by its unique conical spiral geometry, this component is designed for optimal fluid displacement and propulsion efficiency. Unlike traditional planar blades, the helical structure allows for a continuous movement of media—be it air or liquid—minimizing turbulence and maximizing axial thrust. The dual-blade configuration ensures rotational balance and structural integrity, making it suitable for a wide range of industrial applications including advanced ventilation systems, marine propulsion units, and chemical mixing apparatuses. The geometric complexity of the spiral is modeled with mathematical accuracy to facilitate airflow analysis or computational fluid dynamics simulations. Its aesthetic and functional design serves as a bridge between historical mechanical engineering and contemporary aerodynamic innovation, providing a versatile asset for engineers, designers, and hobbyists interested in non-traditional propeller mechanics.

KEYWORDS: Propeller, Archimedes, Screw, Spiral, Conical, Blade, Fan, Fin, Engineering, Fluid, Propulsion, Helical, Turbine, Impeller, Industrial, Hydrodynamic, Aerodynamic, Mechanical, Geometry, CAD