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
Business Jet Wing Model for Finite Element Analysis
AEROSPACE · BUSINESS JET WING

Business Jet Wing Model for Finite Element Analysis

.STEP
Free
NX Practice Model for CAD Training and Simulation
MACHINE DESIGN · NX PRACTICE MODEL

NX Practice Model for CAD Training and Simulation

.STEP
Free
Concept Model of Aircraft Nose Stabilizer and Winglet Rudder for Piston Engines
AVIATION · AIRCRAFT NOSE STABILIZER

Concept Model of Aircraft Nose Stabilizer and Winglet Rudder for Piston Engines

.STEP
Free
Boeing 787-8 Dreamliner Aircraft Model in Air India Livery
AEROSPACE · BOEING 787-8

Boeing 787-8 Dreamliner Aircraft Model in Air India Livery

.STEP

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Compressor Stator Casing with Cooling Air Outlets
AEROSPACE · COMPRESSOR STATOR CASING

Compressor Stator Casing with Cooling Air Outlets

.STEP
Free
Remote Control Version Component
ROBOTICS · REMOTE CONTROL

Remote Control Version Component

.STEP
Free
NACA 2415 Airfoil Wing with 1800mm Wingspan for Aerodynamic Applications
AEROSPACE · NACA 2415

NACA 2415 Airfoil Wing with 1800mm Wingspan for Aerodynamic Applications

.STEP
Free
Fairview Microwave TNC Bulkhead PCB Edge Mount Coax Connector Model
ELECTRICAL · TNC CONNECTOR

Fairview Microwave TNC Bulkhead PCB Edge Mount Coax Connector Model

.STEP
Free
Nordic Semiconductor Thingy:91 Multi-Sensor Cellular IoT Prototyping Platform
ELECTRICAL · THINGY:91

Nordic Semiconductor Thingy:91 Multi-Sensor Cellular IoT Prototyping Platform

.STEP
Free
Amphenol RF TNC Coaxial Bulkhead Vertical PCB Connector Model
ELECTRICAL · AMPHENOL RF TNC

Amphenol RF TNC Coaxial Bulkhead Vertical PCB Connector Model

.STEP
Free
3D Printing Component for Additive Manufacturing
3D PRINTING · ADDITIVE MANUFACTURING

3D Printing Component for Additive Manufacturing

.STEP
Free
Electrical Cable Routing Techniques in SOLIDWORKS
ELECTRICAL · ELECTRICAL CABLE ROUTING

Electrical Cable Routing Techniques in SOLIDWORKS

.STEP
Free
Classic World War I Revolution Gauge 1/3 Scale Model for Nieuport 28
AVIATION · NIEUPORT 28

Classic World War I Revolution Gauge 1/3 Scale Model for Nieuport 28

.STEP
Free
Spoked Wheel for Nieuport 28 Aircraft
AVIATION · SPOKED WHEEL

Spoked Wheel for Nieuport 28 Aircraft

.STEP
Free
Industrial Mock-Up Model for Design Visualization
INDUSTRIAL DESIGN · MOCK-UP

Industrial Mock-Up Model for Design Visualization

.STEP
Free
Compact Vertical Axis Cassette Apparatus
MACHINE DESIGN · VERTICAL AXIS

Compact Vertical Axis Cassette Apparatus

.STEP
Free
Precision Mechanical Component CAD Model
MACHINE DESIGN · PRECISION COMPONENT

Precision Mechanical Component CAD Model

.STEP
Free
Fixed Wing Aircraft Component CAD Model
AEROSPACE · FIXED WING

Fixed Wing Aircraft Component CAD Model

.STEP
Free
Industrial Battery Component for Engineering Applications
ENERGY AND POWER · INDUSTRIAL BATTERY

Industrial Battery Component for Engineering Applications

.STEP
Free
Fast Air Connector with 1/4 NPT Thread and 1/4-18 Thread Size
INDUSTRIAL DESIGN · FAST AIR CONNECTOR

Fast Air Connector with 1/4 NPT Thread and 1/4-18 Thread Size

.STEP
Free
Amphenol RF TNC Bulkhead Right Angle PCB Coax Connector Model
ELECTRICAL · AMPHENOL RF TNC

Amphenol RF TNC Bulkhead Right Angle PCB Coax Connector Model

.STEP
Free
Nordic Semiconductor Thingy:52 Multi-Sensor Bluetooth 5.0 Prototyping Platform
ELECTRICAL · THINGY:52

Nordic Semiconductor Thingy:52 Multi-Sensor Bluetooth 5.0 Prototyping Platform

.STEP