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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
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More Information About 3D Model :
The structure denominated as an Arched Polytunnel Greenhouse Glasshouse utilizing a Wood Frame represents a specific, often hybrid, category within Controlled Environment Agriculture (CEA) facilities. This typology integrates traditional, renewable structural elements (wood) with various modern or classic cladding materials (polyethylene film or glass) to create an environmentally modulated space for intensive plant cultivation.
Structural Engineering and Design
The defining characteristic is the Wood Frame. Unlike commercial greenhouses primarily relying on galvanized steel or extruded aluminum, this system utilizes lumber—often pressure-treated softwoods or naturally resistant hardwoods—for its primary load-bearing members. Wood offers superior insulation properties compared to metal, mitigating thermal bridging, which can be critical in cold climates.
The structure adopts an Arched or Quonset profile, characterized by its semi-circular or Gothic shape. This geometry is highly efficient, maximizing internal volume and minimizing the surface area-to-volume ratio, which aids in heat retention. Crucially, the arched design provides optimal distribution of snow loads and wind stress, reducing the need for extensive internal bracing and maximizing usable growing space. The wood components are typically constructed using laminated arches, trusses, or conventional bent-wood framing techniques, ensuring structural integrity and longevity.
Cladding and Nomenclature
The title denotes a convergence of terms related to the facility's covering, indicating material flexibility or a multi-zoned approach:
- Greenhouse/Glasshouse: These terms denote facilities using rigid, highly transparent cladding. The Glasshouse (traditionally used for structures featuring horticultural glass) provides excellent light transmission and durability but is higher in initial cost and weight. High-end wood-framed arched structures may utilize tempered glass or multi-wall polycarbonate panels.
- Polytunnel: This term specifically refers to structures clad in flexible plastic sheeting, typically UV-stabilized polyethylene film. Polytunnel cladding offers a significant cost advantage, ease of installation, and replacement, appealing particularly to smaller-scale or artisanal operations.
In practice, a facility described as combining all these elements often implies a hybrid structure where the permanent wood frame supports both options. For instance, the structure might employ permanent glass or polycarbonate panels on the vertical sidewalls for rigidity (Glasshouse features) and flexible polyethylene film on the arched roof (Polytunnel features) to manage costs or allow for seasonal venting.
### Horticultural Applications
These wood-framed arched structures are widely employed in plant farming for climate mitigation, season extension, and enhancing crop yield consistency. They provide critical protections against adverse weather, pests, and specific environmental factors. Common uses include the propagation of seedlings, the cultivation of high-value specialty crops (e.g., microgreens, medicinal herbs), and the intensive production of warm-season vegetables (e.g., tomatoes, peppers) in temperate zones. The renewable and natural aesthetic of the wood frame often makes this type of structure preferred in educational farms, community agriculture projects, and venues where sustainability and visual appeal are prioritized alongside function.
KEYWORDS: Controlled Environment Agriculture, CEA, Season Extension, Polyethylene Film, Horticultural Glass, Wood Frame Structure, Arched Design, Quonset Hut, Greenhouse Technology, Glasshouse Farming, Polytunnel Cladding, Thermal Bridging, Sustainable Construction, Load Bearing, Crop Yield Optimization, Plant Propagation, Ventilation Systems, Humidity Control, Laminated Arches, Structural Timber, Renewable Resources, Intensive Farming, Climate Mitigation, Organic Growing, Market Gardening, Glazing Options, Multi-Span, Gothic Arch, Temperate Zone Farming, Polycarbonate.
