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
Educational CAD Design Model Created with Inventor
INDUSTRIAL DESIGN · INVENTOR

Educational CAD Design Model Created with Inventor

.STEP
Free
Mazda KF KL Engine Cork Seal Component
AUTOMOTIVE · MAZDA KF ENGINE

Mazda KF KL Engine Cork Seal Component

.STEP
Free
30mm Combination Wrench CAD Model
MACHINE DESIGN · 30MM COMBINATION WRENCH

30mm Combination Wrench CAD Model

.STEP
Free
Motorcycle Suspension System with Coil Spring and Hydraulic Damper
AUTOMOTIVE · MOTORCYCLE SUSPENSION

Motorcycle Suspension System with Coil Spring and Hydraulic Damper

.STEP

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15+CAD Tools
Free
1:1 Scale Fusion 360 Model
MACHINE DESIGN · FUSION 360

1:1 Scale Fusion 360 Model

.STEP
Free
Sheet Metal Tool for Manufacturing and Forging Processes
MACHINE DESIGN · SHEET METAL TOOL

Sheet Metal Tool for Manufacturing and Forging Processes

.STEP
Free
Motorcycle Monoshock Suspension Spring
AUTOMOTIVE · MONOSHOCK SUSPENSION

Motorcycle Monoshock Suspension Spring

.STEP
Free
Automotive Grab Handle Assembly CAD Model
AUTOMOTIVE · GRAB HANDLE

Automotive Grab Handle Assembly CAD Model

.STEP
Free
Shock Absorber Engineering Model
AUTOMOTIVE · SHOCK ABSORBER

Shock Absorber Engineering Model

.STEP
Free
Volvo 940 Gauge Pod Bezel for 0.91 Inch OLED Display Replacement
AUTOMOTIVE · VOLVO 940

Volvo 940 Gauge Pod Bezel for 0.91 Inch OLED Display Replacement

.STEP
Free
Rear Axle Assembly for Automotive Applications
AUTOMOTIVE · REAR AXLE ASSEMBLY

Rear Axle Assembly for Automotive Applications

.STEP
Free
Precision Hobbing Gear for Cooling Systems
MACHINE DESIGN · HOBBING GEAR

Precision Hobbing Gear for Cooling Systems

.STEP
Free
Industrial Forklift Rim for Heavy-Duty Equipment
INDUSTRIAL DESIGN · FORKLIFT RIM

Industrial Forklift Rim for Heavy-Duty Equipment

.STEP
Free
Guide Cover Component for Mechanical Assemblies
MACHINE DESIGN · GUIDE COVER

Guide Cover Component for Mechanical Assemblies

.STEP
Free
RXK Project 3.3b Engine Assembly with Integrated Components
AUTOMOTIVE · RXK PROJECT 3.3B

RXK Project 3.3b Engine Assembly with Integrated Components

.STEP
Free
Heavy-Duty Utility Bumper with Mount Brackets for Service Trucks
AUTOMOTIVE · HEAVY-DUTY UTILITY BUMPER

Heavy-Duty Utility Bumper with Mount Brackets for Service Trucks

.STEP
Free
Sheet Metal Fabrication and Embossing Tool for Mechanical Design
MACHINE DESIGN · SHEET METAL FABRICATION

Sheet Metal Fabrication and Embossing Tool for Mechanical Design

.STEP
Free
Automatic Two-Speed Gearbox Concept with Centrifugal Clutch Mechanism
AUTOMOTIVE · AUTOMATIC TWO-SPEED GEARBOX

Automatic Two-Speed Gearbox Concept with Centrifugal Clutch Mechanism

.STEP
Free
Tube Cutting Tool for 42 mm and 1 1/4 Inch Tubes
MACHINE DESIGN · TUBE CUTTING TOOL

Tube Cutting Tool for 42 mm and 1 1/4 Inch Tubes

.STEP
Free
3D Model of Toyota 1NZ Engine
AUTOMOTIVE · TOYOTA 1NZ

3D Model of Toyota 1NZ Engine

.STEP
Free
Wheel Rim for Latest Audi Model
AUTOMOTIVE · WHEEL RIM

Wheel Rim for Latest Audi Model

.STEP
Free
Potentiometric Linear Transducer Megatron Series MM10-11 with 11mm Travel
ELECTRICAL · POTENTIOMETRIC LINEAR TRANSDUCER

Potentiometric Linear Transducer Megatron Series MM10-11 with 11mm Travel

.STEP