High-quality 3D assets at affordable prices — trusted by designers, engineers, and creators worldwide. Made with care to be versatile, accessible, and ready for your pipeline.

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 heavy-duty tri-wheel stair climbing convertible folding hand truck, an essential piece of material handling equipment designed for navigating vertical obstacles such as curbs and stairs. The design features a specialized three-wheel star assembly on each side, which rotates as the truck is pulled up or pushed down steps, ensuring continuous contact with the ground and reducing the physical effort required by the operator. Constructed from high-strength aluminum or steel alloys, the hand truck is engineered for durability and lightweight maneuverability. The convertible mechanism allows the device to transition from a vertical two-wheel configuration into a horizontal four-wheel platform mode, providing versatility for various load types. Its folding design facilitates easy storage in compact spaces like vehicle trunks or closets. The model includes detailed renderings of the non-slip handle, reinforced load plate, and puncture-proof solid rubber wheels, making it suitable for architectural visualization, logistics training simulations, and industrial design demonstrations.

KEYWORDS: stair, climber, truck, dolly, folding, hand, trolley, logistics, warehouse, industrial, transport, wheel, aluminum, convertible, metal, cargo, lifting, moving, equipment, loading