Engineering CAD Design Library

Browse quality-checked 3D CAD models for engineering, product design, prototyping and manufacturing. Preview models online and download files in STEP, STP, IGES, STL, OBJ, PLY, DWG, DXF and more.

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The axis engineers actually search on — pick a part type to filter the catalog.

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Build kits

Curated systems with verified mating parts — download the whole assembly at once.

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CONSUMER ELECTRONICS

iPhone Accessory & Case Design Kit

A practical iPhone accessory cluster for designing cases, charging stands, holders and fit-checking around real phone geometry.

6 partspairs verified
DRONES / UAV

250 mm FPV Drone Build Kit

A complete FPV quad build cluster covering frame, propulsion, camera, control electronics, battery housing and mounting hardware.

9 partspairs verified
MOTION CONTROL

NEMA 17 Motion / Linear Actuator Kit

A motion-control cluster around a NEMA 17 stepper, bracket, coupler, GT2 belt, pulley, bearing and driver.

10 partspairs verified
HARDWARE

Metric Fasteners & Threaded Hardware Pack

A reusable ISO/metric fastener library cluster with screws, nuts, washers, inserts, standoffs and bolt assemblies.

6 partspairs verified
3D PRINTING

3D Printer Motion & Extruder Upgrade Kit

A 3D-printer upgrade cluster combining hotend parts, filament handling, stepper drive and motion hardware.

14 partspairs verified
ELECTRONICS PROTOTYPING

Arduino / ESP32 Prototyping Kit

A maker electronics cluster with Arduino, ESP32, breadboard, shield, servo, battery holder and enclosure.

13 partspairs verified
ROBOTICS

Robotic Arm + Gripper Kit

A robotic manipulator cluster with 6-DOF arm, gripper, wrist, servo mounts, actuator and linear guide components.

12 partspairs verified
CNC MACHINING

CNC Workholding & Tooling Kit

A CNC machining cluster covering table, clamping, vise, chuck, collet holder, spindle and ball-screw motion.

14 partspairs verified
HVAC / DUCTING

HVAC Ventilation Duct Assembly Kit

A ventilation product cluster with grille, damper, duct adapter, fan, filter, flange and duct clamp.

8 partspairs verified
FLUID POWER

Hydraulic / Pneumatic Pump & Valve Manifold Kit

A fluid-power cluster combining pump, valves, pressure gauge, manifold block, pipe and coupling parts.

16 partspairs verified
MOBILE ROBOTICS

RC / Line-Follower Robot Chassis Kit

A small mobile-robot cluster with chassis, wheels, hubs, motors, motor mounts, controller, battery holder and damper.

16 partspairs verified
WORKSPACE ACCESSORIES

Desk Cable + Phone Stand Workstation Kit

A desk-organization product cluster combining cable routing, phone holders, headphone stands and laptop/iMac stands.

8 partspairs verified
CAMERA / IMAGING RIGS

Camera Gimbal & Mount Rig Kit

A camera-rig cluster with gimbal, camera modules, tripod, tilt head, GoPro mount and camera bracket parts.

8 partspairs verified
AUTOMOTIVE & MOBILITY

1:10 RC Car Drivetrain & Suspension Kit

A 1:10 RC Car Drivetrain & Suspension Kit cluster covering related CAD components for Automotive & Mobility.

5 partspairs verified
ROBOTICS & MECHATRONICS

Arduino / ESP32 Prototyping Kit; CNC Workholding & Tooling Kit

A Arduino / ESP32 Prototyping Kit; CNC Workholding & Tooling Kit cluster covering related CAD components for Robotics & Mechatronics.

1 partpairs verified
MOTORS & POWER TRANSMISSION

Arduino / ESP32 Prototyping Kit; RC / Line-Follower Robot Chassis Kit

A Arduino / ESP32 Prototyping Kit; RC / Line-Follower Robot Chassis Kit cluster covering related CAD components for Motors & Power Transmission.

1 partpairs verified
HYDRAULICS & PNEUMATICS

Belt & Roller Conveyor Design Kit

A Belt & Roller Conveyor Design Kit cluster covering related CAD components for Hydraulics & Pneumatics.

9 partspairs verified
PUMPS & FLUID SYSTEMS

Centrifugal Pump & Motor Skid Kit

A Centrifugal Pump & Motor Skid Kit cluster covering related CAD components for Pumps & Fluid Systems.

8 partspairs verified
GENERAL ENGINEERING

Honda C-Series Engine Parts Pack

A Honda C-Series Engine Parts Pack cluster covering related CAD components for General Engineering.

4 partspairs verified
VALVES & FLOW CONTROL

Hydraulic / Pneumatic Pump & Valve Manifold Kit; Industrial Valve & Actuation Pack

A Hydraulic / Pneumatic Pump & Valve Manifold Kit; Industrial Valve & Actuation Pack cluster covering related CAD components for Valves & Flow Control.

1 partpairs verified
ENCLOSURES & PANELS

IP65/IP67 Electrical Enclosure & Control Panel Pack

A IP65/IP67 Electrical Enclosure & Control Panel Pack cluster covering related CAD components for Enclosures & Panels.

9 partspairs verified
GENERAL ENGINEERING

Industrial Gearmotor & Drive Kit

A Industrial Gearmotor & Drive Kit cluster covering related CAD components for General Engineering.

9 partspairs verified
VALVES & FLOW CONTROL

Industrial Valve & Actuation Pack

A Industrial Valve & Actuation Pack cluster covering related CAD components for Valves & Flow Control.

9 partspairs verified
PUMPS & FLUID SYSTEMS

Peristaltic / Dosing Pump Prototyping Kit

A Peristaltic / Dosing Pump Prototyping Kit cluster covering related CAD components for Pumps & Fluid Systems.

9 partspairs verified
ROBOTICS & MECHATRONICS

Raspberry Pi Case & Display Kit

A Raspberry Pi Case & Display Kit cluster covering related CAD components for Robotics & Mechatronics.

6 partspairs verified
ENGINES & POWERTRAIN

Superquadro Engine Internals Kit

A Superquadro Engine Internals Kit cluster covering related CAD components for Engines & Powertrain.

4 partspairs verified
PUMPS & FLUID SYSTEMS

Vacuum Pump System Pack

A Vacuum Pump System Pack cluster covering related CAD components for Pumps & Fluid Systems.

9 partspairs verified
10,000+ models2D drawings
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Free
8 Inch 800x600 TFT Touch Display Module with LT7683 Controller for Embedded Systems
ELECTRICAL · 8-INCH TFT DISPLAY

8 Inch 800x600 TFT Touch Display Module with LT7683 Controller for Embedded Systems

.STEP
Free
8-Inch 800x480 TFT Touch Display Module for Arduino and Embedded Systems
ELECTRICAL · 8-INCH TFT DISPLAY

8-Inch 800x480 TFT Touch Display Module for Arduino and Embedded Systems

.STEP
Free
16x2 LCD Display with I2C Interface
ELECTRICAL · 16X2 LCD

16x2 LCD Display with I2C Interface

.STEP
Free
Superhydrophilic Water Collection Sheet for Wind Turbines
ENERGY AND POWER · SUPERHYDROPHILIC SHEET

Superhydrophilic Water Collection Sheet for Wind Turbines

.STEP

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Windmill Wheel Blade Bracket CAD Model for Engineering Design
ENERGY AND POWER · WINDMILL

Windmill Wheel Blade Bracket CAD Model for Engineering Design

.STEP
Free
Windmill Wheel Blade CAD Model for Engineering and Design
ENERGY AND POWER · SHEET METAL

Windmill Wheel Blade CAD Model for Engineering and Design

.STEP
Free
Precision Engineered Windmill Blade with Optimized Twist Angle
ENERGY AND POWER · TWIST ANGLE OPTIMIZATION

Precision Engineered Windmill Blade with Optimized Twist Angle

.STEP
Free
Humanoid Robot Adam - Advanced Personal Robotics Model
ROBOTICS · ADAM

Humanoid Robot Adam - Advanced Personal Robotics Model

.STEP
Free
Robstride 03 Humanoid Robot Actuator 3D Model
ROBOTICS · ROBSTRIDE 03

Robstride 03 Humanoid Robot Actuator 3D Model

.STEP
Free
Medal Stand for Humanoid Robot Games Participants
ROBOTICS · MEDAL STAND

Medal Stand for Humanoid Robot Games Participants

.STEP
Free
Robstride 06 Humanoid Robot Actuator Model
ROBOTICS · ROBSTRIDE 06

Robstride 06 Humanoid Robot Actuator Model

.STEP
Free
Cycloidal Drive for Robotic Arm - Precision Motion Component
ROBOTICS · CYCLOIDAL DRIVE

Cycloidal Drive for Robotic Arm - Precision Motion Component

.STEP
Free
Compact SCARA Robot with Aluminum Profile Arms and Precision Servo Motors
ROBOTICS · SCARA ROBOT

Compact SCARA Robot with Aluminum Profile Arms and Precision Servo Motors

.STEP
Free
Compact SCARA Robot with Rotating Clamp for Precision Automation
ROBOTICS · SCARA ROBOT

Compact SCARA Robot with Rotating Clamp for Precision Automation

.STEP
Free
5-DOF Robot Arm CAD Model for Technological Design Projects
ROBOTICS · 5 DOF

5-DOF Robot Arm CAD Model for Technological Design Projects

.STEP
Free
Pneumatic Robotic Arm for Precise and Lightweight Automation
ROBOTICS · PNEUMATIC ROBOTIC ARM

Pneumatic Robotic Arm for Precise and Lightweight Automation

.STEP
Free
Robotic Arm CAD Model for Engineering and Design
ROBOTICS · ROBOTIC ARM

Robotic Arm CAD Model for Engineering and Design

.STEP
Free
4-DOF Robotic Arm Model for Industrial and Educational Applications
ROBOTICS · 4 DOF ROBOTIC ARM

4-DOF Robotic Arm Model for Industrial and Educational Applications

.STEP
Free
Izumo-01 Robot Concept Rough Assembly Model
ROBOTICS · IZUMO-01

Izumo-01 Robot Concept Rough Assembly Model

.STEP
Free
150kg Digital RC Servo DS51150 - Waterproof Metal Robotic Servo
ROBOTICS · DS51150

150kg Digital RC Servo DS51150 - Waterproof Metal Robotic Servo

.STEP
Free
3-DOF Robotic Arm with Magnetic Gripper
ROBOTICS · 3 DOF ROBOTIC ARM

3-DOF Robotic Arm with Magnetic Gripper

.STEP
Free
Replacement Adapter Model for Toilet Flush Pump
CONSTRUCTION · TOILETFLUSHPUMPADAPTER

Replacement Adapter Model for Toilet Flush Pump

.STEP