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
Stainless Steel Toggle Latch 6mm - Durable Industrial Fastener
INDUSTRIAL DESIGN · STAINLESS STEEL

Stainless Steel Toggle Latch 6mm - Durable Industrial Fastener

.STEP
Free
Mountable Spotlight CAD Model for Engineering Applications
INDUSTRIAL DESIGN · MOUNTABLE SPOTLIGHT

Mountable Spotlight CAD Model for Engineering Applications

.STEP
Free
Range Rover Classic 1992-1994 Rear Hatch Central Locking Barrel CAD Model
AUTOMOTIVE · RANGE ROVER CLASSIC

Range Rover Classic 1992-1994 Rear Hatch Central Locking Barrel CAD Model

.STEP
Free
Peashooter Exhaust Muffler for Norton Motorcycle - Precision CAD Model
AUTOMOTIVE · PEASHOOTER

Peashooter Exhaust Muffler for Norton Motorcycle - Precision CAD Model

.STEP

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Tonneau Cover Crossbar Mount for VY Holden Ute
AUTOMOTIVE · TONNEAU COVER

Tonneau Cover Crossbar Mount for VY Holden Ute

.STEP
Free
PCE Welding Fixture for Industrial Applications
INDUSTRIAL DESIGN · PCE WELDING FIXTURE

PCE Welding Fixture for Industrial Applications

.STEP
Free
Safa Tempo Vehicle Model for Industrial Use
AUTOMOTIVE · SAFA TEMPO

Safa Tempo Vehicle Model for Industrial Use

.STEP
Free
Electric Wheel Hub with Brake Pad and Disc for Melex Vehicle
AUTOMOTIVE · ELECTRIC WHEEL HUB

Electric Wheel Hub with Brake Pad and Disc for Melex Vehicle

.STEP
Free
Industrial Bag Trolley for Efficient Material Handling
INDUSTRIAL DESIGN · BAG TROLLEY

Industrial Bag Trolley for Efficient Material Handling

.STEP
Free
GNSS Antenna-Receiver AH-3232 Model for Precision Positioning
AEROSPACE · GNSS

GNSS Antenna-Receiver AH-3232 Model for Precision Positioning

.STEP
Free
Tire 225-75-R16 with 6Jx16 Rim and 6x205 Bolt Circle
AUTOMOTIVE · 225-75-R16

Tire 225-75-R16 with 6Jx16 Rim and 6x205 Bolt Circle

.STEP
Free
Chevy Colorado 5-Foot Cargo Bed CAD Model
AUTOMOTIVE · CHEVY COLORADO

Chevy Colorado 5-Foot Cargo Bed CAD Model

.STEP
Free
Stop Light Screw Cap for Honda CRV 2007-2011
AUTOMOTIVE · STOP LIGHT SCREW CAP

Stop Light Screw Cap for Honda CRV 2007-2011

.STEP
Free
ASME B16.5 Class 150 1 Inch Welding Neck Flange
INDUSTRIAL DESIGN · ASME B16.5

ASME B16.5 Class 150 1 Inch Welding Neck Flange

.STEP
Free
Skid Steer Loader for Ground Moving with 1 Cubic Meter Capacity
CONSTRUCTION · SKID STEER LOADER

Skid Steer Loader for Ground Moving with 1 Cubic Meter Capacity

.STEP
Free
High-Quality Car Tire CAD Model for Automotive Design
AUTOMOTIVE · CAR TIRE

High-Quality Car Tire CAD Model for Automotive Design

.STEP
Free
Precision Helix Component for Mechanical Design and Simulation
MACHINE DESIGN · HELIX

Precision Helix Component for Mechanical Design and Simulation

.STEP
Free
Welding Deformation Reduction Component for Material Stability
MACHINE DESIGN · WELDING DEFORMATION REDUCTION

Welding Deformation Reduction Component for Material Stability

.STEP
Free
Belt Conveyor Tensioner for Industrial Material Handling
INDUSTRIAL DESIGN · BELT CONVEYOR TENSIONER

Belt Conveyor Tensioner for Industrial Material Handling

.STEP
Free
5V DC 30A Power Relay for Electrical Applications
ELECTRICAL · 5V DC

5V DC 30A Power Relay for Electrical Applications

.STEP
Free
3D CAD Model Created with Catia V5 GSD and Part Design
MACHINE DESIGN · CATIA V5

3D CAD Model Created with Catia V5 GSD and Part Design

.STEP
Free
Maserati Grand Turismo Car Body Surface Design Model
AUTOMOTIVE · MASERATI GRAND TURISMO

Maserati Grand Turismo Car Body Surface Design Model

.STEP