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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 :
The 3-Wheel Stair Climbing Convertible Folding Hand Truck is a specialized material handling device engineered to facilitate the transport of heavy loads across uneven terrain and vertical gradients. Its primary architectural feature is the tri-wheel rotational assembly, often referred to as a stair-climber mechanism. This system consists of three wheels mounted on a central rotating axle; as the operator pulls the truck up a riser, the assembly rotates, allowing the next wheel to gain purchase on the step, thereby reducing the physical exertion required and increasing stability. Constructed typically from lightweight aluminum alloys or high-tensile steel, these units often incorporate a convertible frame. This allows the device to function as a traditional upright two-wheel dolly or, through a locking hinge mechanism, be reconfigured into a flatbed four-wheel platform for larger volumetric loads. The folding design enhances portability, permitting the unit to be collapsed for storage in vehicular compartments or cramped utility spaces. Safety features usually include ergonomic handles with non-slip grips and reinforced toe plates to ensure secure load placement. These tools are indispensable in logistics, home delivery services, and facility management, providing a versatile solution for navigating architectural barriers while minimizing musculoskeletal strain on the operator.

KEYWORDS: handtruck, dolly, stairclimber, logistics, warehouse, convertible, folding, aluminum, steel, transport, loading, cart, wheels, ergonomic, industrial, utility, movable, portable, delivery, equipment