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
Easy9 Residual Current Device with Overcurrent Protection 16A C Curve
ELECTRICAL · RESIDUAL CURRENT DEVICE

Easy9 Residual Current Device with Overcurrent Protection 16A C Curve

.STEP
Free
Alloy Wheel CAD Model for Engineering Applications
AUTOMOTIVE · ALLOY WHEEL

Alloy Wheel CAD Model for Engineering Applications

.STEP
Free
Exercise Part Designed with Inventor Software
INDUSTRIAL DESIGN · EXERCISE PART

Exercise Part Designed with Inventor Software

.STEP
Free
Pipe Rotating Assembly for Industrial Systems
INDUSTRIAL DESIGN · PIPE ROTATING ASSEMBLY

Pipe Rotating Assembly for Industrial Systems

.STEP

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Dana Brevini SH7V 075 Bent Axial Hydraulic Piston Motor with Variable Displacement
MACHINE DESIGN · DANA BREVINI SH7V 075

Dana Brevini SH7V 075 Bent Axial Hydraulic Piston Motor with Variable Displacement

.STEP
Free
Poclain MS05 Two-Speed Fixed Displacement Wheel Motor with Parking Brake
MACHINE DESIGN · POCLAIN MS05

Poclain MS05 Two-Speed Fixed Displacement Wheel Motor with Parking Brake

.STEP
Free
17x9.5 Wheel Rim with 6x139.7 Bolt Pattern
AUTOMOTIVE · 17X9.5 WHEEL RIM

17x9.5 Wheel Rim with 6x139.7 Bolt Pattern

.STEP
Free
Bevel Gear M0.5 10 Teeth with 1.5mm Shaft
MACHINE DESIGN · BEVEL GEAR

Bevel Gear M0.5 10 Teeth with 1.5mm Shaft

.STEP
Free
E36 M3 Two-Part Wheel Rims CAD Model
AUTOMOTIVE · E36 M3

E36 M3 Two-Part Wheel Rims CAD Model

.STEP
Free
Piston Engine Assembly CAD Model for Engineering Applications
AUTOMOTIVE · PISTON ENGINE

Piston Engine Assembly CAD Model for Engineering Applications

.STEP
Free
3D Scan Reverse Engineering and Remodelling Services
3D PRINTING · REVERSE ENGINEERING

3D Scan Reverse Engineering and Remodelling Services

.STEP
Free
Clutch Plate Housing CAD Model for Mechanical Assemblies
AUTOMOTIVE · CLUTCH PLATE HOUSING

Clutch Plate Housing CAD Model for Mechanical Assemblies

.STEP
Free
Radlock Connector with 16mm² Crimp - CAD Model
ELECTRICAL · RADLOCK CONNECTOR

Radlock Connector with 16mm² Crimp - CAD Model

.STEP
Free
Front Wheel Rim for KTM Duke 200 Motorcycle with 17 Inch Diameter
AUTOMOTIVE · FRONT WHEEL RIM

Front Wheel Rim for KTM Duke 200 Motorcycle with 17 Inch Diameter

.STEP
Free
17 Inch Front Tire for KTM Duke 200 Motorcycle
AUTOMOTIVE · 17 INCH TIRE

17 Inch Front Tire for KTM Duke 200 Motorcycle

.STEP
Free
L79 Small Block Chevy Engine Head Assembly CAD Model
AUTOMOTIVE · L79 SMALL BLOCK CHEVY

L79 Small Block Chevy Engine Head Assembly CAD Model

.STEP
Free
Wire Straightening and Cutting Machine for Precision Wire Processing
MACHINE DESIGN · WIRE STRAIGHTENING

Wire Straightening and Cutting Machine for Precision Wire Processing

.STEP
Free
Inertial Measurement System Industrial Model
ROBOTICS · INERTIAL MEASUREMENT SYSTEM

Inertial Measurement System Industrial Model

.STEP
Free
Universal Single Catch Can CAD Model for Custom Mounting Solutions
AUTOMOTIVE · CATCH CAN

Universal Single Catch Can CAD Model for Custom Mounting Solutions

.STEP
Free
Custom 18x9.5 Inch Three-Piece Wheel Inspired by American Racing AR39
AUTOMOTIVE · 3-PIECE WHEEL

Custom 18x9.5 Inch Three-Piece Wheel Inspired by American Racing AR39

.STEP
Free
Subaru XT Style Wheels with 4x100 Bolt Pattern in 15x8 and 15x10 Sizes
AUTOMOTIVE · SUBARU XT

Subaru XT Style Wheels with 4x100 Bolt Pattern in 15x8 and 15x10 Sizes

.STEP
Free
16x9 Wagon Wheels with 4x100 Bolt Pattern Inspired by Classic Dodge Pickups
AUTOMOTIVE · 16X9 WAGON WHEELS

16x9 Wagon Wheels with 4x100 Bolt Pattern Inspired by Classic Dodge Pickups

.STEP