At DesignWithAjay, we believe in empowering innovators with high‑quality, ready‑to‑use CAD resources. From planetary gearboxes to hydraulic presses, our library is constantly expanding to meet the needs of engineers, makers, and students worldwide.

Please note: All free CAD drawings are provided for educational and personal use only. Commercial use is not permitted. For commercial‑grade designs, licensing, or custom engineering solutions, please contact us directly.

Why Choose DesignWithAjay CAD Files?

  • Precision-engineered
  • Compatible with SolidWorks, AutoCAD, and other CAD software
  • Free downloads for students and educators
  • Affordable premium designs for advanced projects
  • Instant access — no waiting, start designing today

  • Sale! Industrial 1:5 Spur Gear Box (#364), designed for high-efficiency torque transmission and precise power reduction in mechanical systems.

    DesignWithAjay | 1:5 Spur Gear BOX #364

    Original price was: ₹2,000.00.Current price is: ₹990.00.

    Elevate your engineering and manufacturing workflows with the 1:5 Spur Gearbox #364—a testament to innovation, efficiency, and durability. Exclusively from DesignWithAjay, this model is crafted to meet the demands of professionals seeking high-quality mechanical solutions for their projects.

    • File Formats Included: STEP, DXF, IGS
    • Use Case: Perfect for designing or simulating spur gearbox systems in industrial setups
    • Design Excellence: Crafted for efficient torque transfer, reduced wear and tear, and smooth gear operation
    • Delivery Format: Instant digital download after purchase
    • License: Personal/non-commercial use (redistribution or re-sharing not allowed)

  • Sale! Industrial Angular Mounting Belt Conveyor (#393) designed for efficient material handling, featuring a precision-engineered conveyor system.

    DesignWithAjay | Angular Mounting Belt Conveyor #393

    Original price was: ₹2,000.00.Current price is: ₹990.00.

    File Formats Included: STEP, DXF, IGS
    Use Case: Ideal for angled material handling in manufacturing and logistics
    Design Precision: Engineered for stable movement, controlled incline angles, and optimal speed
    Delivery Format: Instant digital download after purchase
    License: Personal/non-commercial use (redistribution or re-sharing not allowed)

    Upgrade your design process and industrial workflow with this highly detailed and functional model, helping you visualize, optimize, and integrate advanced belt conveyor solutions for industrial applications.

  • Sale! A precision-engineered bearing block designed for stable support, smooth rotation, and durability in mechanical systems.A precision-engineered bearing block designed for stable support, smooth rotation, and durability in mechanical systems.

    DesignWithAjay | Bearing Block – Free

    Original price was: ₹400.00.Current price is: ₹0.00.

    Key Features:
    File Formats Included: STEP & 2D drawings

    📥 Download: Get the drawings for free—instant digital access

    Use Case: Ideal for bearing housings, mechanical support structures, and industrial setups

    Design Excellence: Engineered for accurate alignment, minimal friction, and long-lasting durability

    🚀 License: Personal/non-commercial use (no redistribution allowed)

  • Sale! Industrial Belt Conveyor Assembly #392, designed for efficient material transport and smooth operation in manufacturing processes.

    DesignWithAjay | Belt Conveyor Assembly #392

    Original price was: ₹2,000.00.Current price is: ₹990.00.

    Belt Conveyor Assembly #392—Engineered for efficient material handling and seamless transportation in industrial environments, ensuring reliability and smooth operation.

    • File Formats: Available in STEP, DXF, and IGS for seamless CAD integration
    • Use Case: Ideal for automated material transfer in manufacturing and logistics
    • Delivery: Instant digital download for easy access
    • License: Personal/non-commercial use (no redistribution allowed)

  • Sale! "Heavy-duty C-hook designed for lifting and handling loads efficiently."Heavy-duty C-hook designed for lifting and handling loads efficiently.

    DesignWithAjay | C hook For Lifting – Free

    Original price was: ₹400.00.Current price is: ₹0.00.

    File Formats Included: STEP & 2D drawings

    📥 Download: Get the drawings for free—instant digital access

    Use Case: Perfect for lifting operations, crane attachments, and industrial load-handling setups

    Design Excellence: Engineered for high load capacity, balanced weight distribution, and reliable structural integrity

    🚀 License: Personal/non-commercial use (no redistribution allowed)

  • Sale! A precision-engineered center flange mount, designed for secure component attachment, optimal load distribution, and mechanical stability. Available in STEP & 2D drawings for seamless integration into engineering and industrial applicationsA precision-engineered center flange mount, designed for secure component attachment, optimal load distribution, and mechanical stability. Available in STEP & 2D drawings for seamless integration into engineering and industrial applications

    DesignWithAjay | Center flange mount – Free

    Original price was: ₹400.00.Current price is: ₹0.00.

    Key Features:
    File Formats Included: STEP & 2D drawings

    📥 Download: Get the drawings for free—instant digital access

    Use Case: Perfect for flange-mounted components, structural support systems, and industrial machine setups

    Design Excellence: Engineered for high-strength support, precise alignment, and efficient load handling

    🚀 License: Personal/non-commercial use (no redistribution allowed)

  • Sale! A precision-engineered center flange mount, designed for secure component attachment, optimal load distribution, and mechanical stability. Available in STEP & 2D drawings for seamless integration into engineering and industrial applications.A precision-engineered center flange mount, designed for secure component attachment, optimal load distribution, and mechanical stability. Available in STEP & 2D drawings for seamless integration into engineering and industrial applications.

    DesignWithAjay | Connecting flange coupling – Free

    Original price was: ₹400.00.Current price is: ₹0.00.

    Key Features:
    File Formats Included: STEP & 2D drawings

    📥 Download: Get the drawings for free—instant digital access

    Use Case: Perfect for shaft coupling mechanisms, precision alignment systems, and industrial machinery setups

    Design Excellence: Crafted for efficient torque transfer, high-strength material support, and minimal maintenance

    🚀 License: Personal/non-commercial use (no redistribution allowed)

  • Sale! Precision-engineered Crossed Helical Gearbox, designed for efficient torque transfer and smooth operation in industrial systems.

    DesignWithAjay | Crossed Helical Gear box #358

    Original price was: ₹2,000.00.Current price is: ₹990.00.

    File Formats Included: STEP, DXF, IGS
    Use Case: Perfect for designing or simulating crossed helical gearbox systems in diverse industrial contexts
    Design Excellence: Engineered for smooth torque transfer, minimized vibration, and long-lasting durability
    Delivery Format: Instant digital download upon purchase
    License: Personal/non-commercial use (redistribution not permitted)

    Elevate your engineering workflow with the Crossed Helical Gearbox #358, a prime example of efficiency, innovation, and robust design. Exclusively available at DesignWithAjay, this model is created for professionals demanding cutting-edge mechanical solutions for their projects.

  • Sale! A Double Groove V-Belt Pulley used for power transmission in machinery.

    DesignWithAjay | Double Groove v-belt pulley – Free

    Original price was: ₹400.00.Current price is: ₹0.00.

    Key Features:
    File Formats Included: STEP & 2D drawings

    📥 Download: Get the drawings for free—instant digital access

    Use Case: Ideal for power transmission setups, belt-driven machinery, and precision engineering applications

    Design Excellence: Engineered for high-efficiency rotation, minimal belt slippage, and optimized torque transfer

    🚀 License: Personal/non-commercial use (no redistribution allowed)

  • Sale! Precision-engineered double helical gear designed for smooth and efficient power transmission.Precision-engineered double helical gear designed for smooth and efficient power transmission.

    DesignWithAjay | Double Helical Gear – Free

    Original price was: ₹400.00.Current price is: ₹0.00.

    Key Features:
    File Formats Included: STEP & 2D drawings

    📥 Download: Get the drawings for free—instant digital access

    Use Case: Ideal for gearbox applications, precision drive systems, and industrial automation setups

    Design Excellence: Engineered for balanced force distribution, smooth operation, and wear resistance

    🚀 License: Personal/non-commercial use (no redistribution allowed)

  • Sale! Industrial-grade Double Helical Gearbox Assembly, engineered for efficient torque transmission, reduced noise, and enhanced durability in demanding applications.

    DesignWithAjay | Double Helical Gear Box #357

    Original price was: ₹2,000.00.Current price is: ₹990.00.

    File Formats Included: STEP, DXF, IGS
    Use Case: Ideal for designing or simulating double helical gearbox systems in industrial setups
    Design Excellence: Built for minimal axial thrust, high load capacity, and smooth gear operation
    Delivery Format: Instant digital download after purchase
    License: Personal/non-commercial use (redistribution or re-sharing not allowed)

    Upgrade your engineering and manufacturing processes with the Double Helical Gearbox #357—a symbol of innovation, efficiency, and durability. Exclusively from DesignWithAjay, this model is tailored for professionals seeking top-tier mechanical solutions for their projects.

  • Sale! Feeding Hopper Conveyor

    DesignWithAjay | Feeding Hopper Conveyor #374

    Original price was: ₹2,000.00.Current price is: ₹990.00.

    Feeding Hopper Conveyor #374—Engineered for efficient material intake and smooth transfer, ensuring optimal workflow in industrial processing systems.

    • File Formats: Available in STEP, DXF, and IGS for seamless CAD integration
    • Use Case: Ideal for controlled material feeding in automated production lines
    • Delivery: Instant digital download for quick access
    • License: Personal/non-commercial use (no redistribution allowed)

  • Sale! Flange-Yoke-DesignFlange-Yoke-Design

    DesignWithAjay | Flange Yoke

    Original price was: ₹400.00.Current price is: ₹0.00.

    Key Features:
    File Formats Included: STEP & 2D drawings

    📥 Download: Get the drawings for free—instant digital access

    Use Case: Ideal for drivetrain assemblies, shaft coupling mechanisms, and industrial power transmission setups

    Design Excellence: Built for high-strength support, precise alignment, and smooth rotational movement

    🚀 License: Personal/non-commercial use (no redistribution allowed)

  • Sale! A Floating-Head Flange, a specialized pipe fitting used in high-pressure applications.

    DesignWithAjay | Floating head Flange – Free

    Original price was: ₹400.00.Current price is: ₹0.00.

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    Key Features:
    File Formats Included: STEP & 2D drawings

    📥 Download: Get the drawings for free—instant digital access

    Use Case: Ideal for industrial piping installations, mechanical assemblies, and structural reinforcement applications

    Design Excellence: Engineered for secure fastening, minimized joint stress, and long-lasting durability

    🚀 License: Personal/non-commercial use (no redistribution allowed)

  • Sale! Industrial Four-Planet Gears Planetary Gearbox, precision-engineered for smooth power transmission and enhanced torque distribution.

    DesignWithAjay | Four Plant Gears (Planetary Gear Box)#345

    Original price was: ₹2,000.00.Current price is: ₹990.00.

    File Formats Included: STEP, DXF, IGS
    Use Case: Ideal for designing or simulating planetary gearbox systems in industrial setups
    Design Precision: Crafted for balanced torque distribution, high load endurance, and efficient power transmission
    Delivery Format: Instant digital download after purchase
    License: Personal/non-commercial use (redistribution or re-sharing not allowed)

    Upgrade your engineering and manufacturing processes with the Four-Planet Gears (Planetary Gearbox #345)—a powerful tool to enhance machine performance, minimize vibration, and ensure maximum operational stability. Exclusively from DesignWithAjay, this model is tailored for professionals seeking innovative and reliable design solutions.

  • Fully Automatic Hydraulic Press Machine for hot moldingFully Automatic Hydraulic Press Machine for hot molding

    Designwithajay | Fully Automatic Hydraulic Press Machine (2530mm-x-5678-31mm) | At Affordable Price

    990.00

    Discover the Fully Automatic Hydraulic Press Machine at DesignWithAjay—a precision-driven, industrial-grade solution for automated molding operations.

    • File Formats Provided: STEP, Solidworks Part file, PDF
    • Applications: Ideal for simulating or designing hydraulic press systems in industrial and mechanical setups
    • Delivery Mode: Instant digital download for quick access after purchase
    • License Terms: Suitable for personal and non-commercial use (redistribution or unauthorized sharing prohibited)

  • Sale! A precision-engineered 140-tooth, 6-module gear wheel designed for high-load applications, efficient torque transmission, and superior durability in industrial machinery.A precision-engineered 140-tooth, 6-module gear wheel designed for high-load applications, efficient torque transmission, and superior durability in industrial machinery.

    DesignWithAjay | Gear Wheel (140 Teeth 6 m) – Free

    Original price was: ₹400.00.Current price is: ₹0.00.

    Key Features:
    File Formats Included: STEP & 2D drawings

    📥 Download: Get the drawings for free—instant access

    Use Case: Ideal for heavy-load gear assemblies, mechanical power transmission, and industrial machinery

    Design Excellence: Crafted for precision gear engagement, minimal wear, and maximum mechanical stability

    🚀 License: Personal/non-commercial use (no redistribution allowed)

  • Sale! A precision-engineered 42-tooth gear wheel designed for optimal torque transmission, smooth motion control, and durability in industrial applications.A precision-engineered 42-tooth gear wheel designed for optimal torque transmission, smooth motion control, and durability in industrial applications.

    DesignWithAjay | Gear Wheel (42 Teeth) – Free

    Original price was: ₹400.00.Current price is: ₹0.00.

    Key Features:
    File Formats Included: STEP & 2D drawings

    📥 Download: Get the drawings for free—instant access

    Use Case: Perfect for precision gear assemblies, machinery installations, and motion control applications

    Design Excellence: Crafted for accurate gear engagement, minimal wear, and efficient power transfer

    🚀 License: Personal/non-commercial use (no redistribution allowed)

  • Sale! Heavy-Duty-Shredder-Machine

    DesignWithAjay | Heavy Duty Plastic Shredder Machine

    Original price was: ₹1,900.00.Current price is: ₹990.00.

    File Formats: STEP, DXF, IGS
    Use Case: Ideal for designing or simulating high-performance shredding systems in recycling or industrial material processing environments
    Design Precision: Built to ensure structural integrity under prolonged load cycles and continuous feed
    Delivery Format: Instant digital download after purchase
    License: Personal/non-commercial use (redistribution or re-sharing not allowed)

    Elevate your material processing workflow with a shredder machine that’s as rugged as your requirements. At DesignWithAjay, each unit reflects engineering discipline, tested endurance, and tailored precision.

  • Sale! Heavy-duty 10-Ton Hydraulic Press Assembly, designed for industrial metal forming, shaping, and high-pressure applications.Heavy-duty 10-Ton Hydraulic Press Assembly, designed for industrial metal forming, shaping, and high-pressure applications.

    DesignWithAjay | Heavy Hydraulic Press Machine #335

    Original price was: ₹2,000.00.Current price is: ₹990.00.

    Heavy Hydraulic Press Machine —Designed for high-force precision and industrial durability, available in STEP, DXF, and IGS formats. Perfect for metal forming, stamping, and assembly applications with seamless workflow integration.

    • File Formats: STEP, DXF, IGS and 2D drawings
    • Use Case: Ideal for hydraulic press simulations in manufacturing setups
    • Delivery: Instant digital download
    • License: Personal/non-commercial use (no redistribution allowed)

  • Sale! Hexacopter Drone Frame D (#346), featuring a lightweight and durable structure, designed for efficient flight stability and modular assembly.

    DesignWithAjay | Hexacopter Drone Frame #346

    Original price was: ₹2,000.00.Current price is: ₹990.00.

    File Formats Included: STEP, DXF, IGS
    Use Case: Ideal for designing and assembling custom Hexacopter drones for both recreational and professional use
    Design Excellence: Engineered for superior load-bearing capacity, optimal motor placement, and aerodynamic efficiency
    Delivery Format: Instant digital download after purchase
    License: Personal/non-commercial use (redistribution or re-sharing not allowed)

    Upgrade your aerial engineering capabilities with this state-of-the-art Hexacopter frame. Exclusively from DesignWithAjay, this model is tailored for those who demand innovation, quality, and performance in their engineering workflows.

  • Sale! Placeholder

    DesignWithAjay | Internal gear Flange (30T 3m)

    Original price was: ₹400.00.Current price is: ₹0.00.

    Key Features:
    File Formats Included: STEP & 2D drawings

    📥 Download: Get the drawings for free—instant digital access

    Use Case: Perfect for precision gear assemblies, machinery installations, and high-load applications

    Design Excellence: Engineered for low vibration, precise gear engagement, and high torque efficiency

    🚀 License: Personal/non-commercial use (no redistribution allowed)

  • Sale! "A precision-engineered 40-tooth internal gear designed for smooth motion control, efficient torque transmission, and high-load mechanical applications."A precision-engineered 40-tooth internal gear designed for smooth motion control, efficient torque transmission, and high-load mechanical applications.

    DesignWithAjay | Internal gear Housing (40 Teeth) – Free

    Original price was: ₹400.00.Current price is: ₹0.00.

    Key Features:
    File Formats Included: STEP & 2D drawings

    📥 Download: Get the drawings for free—instant digital access

    Use Case: Ideal for gear assemblies, mechanical enclosures, and industrial setups

    Design Excellence: Built for precise gear engagement, minimal wear, and superior mechanical stability

    🚀 License: Personal/non-commercial use (no redistribution allowed)

  • DesignWithAjay | Long Motorized Camera Slider (130mm x 111mm x 923mm)  | Life time download at Best Price

    DesignWithAjay | Long Motorized Camera Slider (130mm x 111mm x 923mm) | Life time download at Best Price

    990.00

    Download the complete CAD design of the Long Motorized Camera Slider, built for smooth horizontal motion and dynamic camera tracking.
    • File Formats Provided: STEP, Solidworks Part file, PDF
    • Applications: Ideal for simulating or designing motorized camera slider systems
    • Delivery Mode: Instant digital download for quick access after purchase
    • License Terms: Suitable for personal and non-commercial use (redistribution or unauthorized sharing prohibited)