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
Car Multimedia Mainboard USB Port Assembly
AUTOMOTIVE · USB PORT ASSEMBLY

Car Multimedia Mainboard USB Port Assembly

.STEP
Free
Gaysan Shock Absorber GYS-S0615S0148P with 4000 Newton Capacity
MACHINE DESIGN · SHOCK ABSORBER

Gaysan Shock Absorber GYS-S0615S0148P with 4000 Newton Capacity

.STEP
Free
Industrial Lock Mechanism Model
MACHINE DESIGN · INDUSTRIAL LOCK

Industrial Lock Mechanism Model

.STEP
Free
Nissan GTR CAD Model Designed with SolidWorks
AUTOMOTIVE · NISSAN GTR

Nissan GTR CAD Model Designed with SolidWorks

.STEP

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Free
Air Filter CAD Model with Sheet Metal and Embossing Features
AUTOMOTIVE · SHEET METAL

Air Filter CAD Model with Sheet Metal and Embossing Features

.STEP
Free
Interlocking Tube Clamp for 1.75 Inch OD Tubing with 0.120 Inch Wall Thickness
MACHINE DESIGN · INTERLOCKING TUBE CLAMP

Interlocking Tube Clamp for 1.75 Inch OD Tubing with 0.120 Inch Wall Thickness

.STEP
Free
Skyholic HDS-477 Mini Digital Metal Gear Servo with Circle Type Metal Horn
ROBOTICS · SKYHOLIC HDS-477

Skyholic HDS-477 Mini Digital Metal Gear Servo with Circle Type Metal Horn

.STEP
Free
Skyholic HDS-577 Mini Digital Metal Gear Servo with Cross Type Plastic Horn
ROBOTICS · SKYHOLIC HDS-577

Skyholic HDS-577 Mini Digital Metal Gear Servo with Cross Type Plastic Horn

.STEP
Free
3D Modeled Mechanical Component with Rendered Visualization
MACHINE DESIGN · MECHANICAL COMPONENT

3D Modeled Mechanical Component with Rendered Visualization

.STEP
Free
Tsubaki Conveyor Chain Roller for Industrial Conveying Systems
INDUSTRIAL DESIGN · TSUBAKI

Tsubaki Conveyor Chain Roller for Industrial Conveying Systems

.STEP
Free
Slide Support for Tablet to Mount Additional Racing Gauges
AUTOMOTIVE · SLIDE SUPPORT

Slide Support for Tablet to Mount Additional Racing Gauges

.STEP
Free
4-Piston Mechanical Component Design
MACHINE DESIGN · 4-PISTON

4-Piston Mechanical Component Design

.STEP
Free
Series 3 - 88 Replacement Chassis Model with Suspension and Bulkhead Brackets
AUTOMOTIVE · SERIES 3 88

Series 3 - 88 Replacement Chassis Model with Suspension and Bulkhead Brackets

.STEP
Free
Sheet Metal Design and Fabrication Techniques in CAD Software
MACHINE DESIGN · SHEET METAL DESIGN

Sheet Metal Design and Fabrication Techniques in CAD Software

.STEP
Free
Telescopic Sky Lift Man Lifter CAD Model
CONSTRUCTION · TELESCOPIC SKY LIFT

Telescopic Sky Lift Man Lifter CAD Model

.STEP
Free
Center Console with Removable Crate for LT Vehicles
AUTOMOTIVE · CENTER CONSOLE

Center Console with Removable Crate for LT Vehicles

.STEP
Free
Industrial Mechanical Component CAD Model
MACHINE DESIGN · MECHANICAL COMPONENT

Industrial Mechanical Component CAD Model

.STEP
Free
Automobile Connecting Rod CAD Model
AUTOMOTIVE · CONNECTING ROD

Automobile Connecting Rod CAD Model

.STEP
Free
Precision Bore Dial Gauge for Accurate Measurement
MACHINE DESIGN · BORE DIAL GAUGE

Precision Bore Dial Gauge for Accurate Measurement

.STEP
Free
Hook Loader for 20 Cubic Meter Container - Industrial Equipment
INDUSTRIAL DESIGN · HOOK LOADER

Hook Loader for 20 Cubic Meter Container - Industrial Equipment

.STEP
Free
Yamaha Jog 50cc Rear Shock Absorber CAD Model
AUTOMOTIVE · YAMAHA JOG 50CC

Yamaha Jog 50cc Rear Shock Absorber CAD Model

.STEP
Free
Detailed CAD Model of a Camshaft for Engine Applications
AUTOMOTIVE · CAMSHAFT

Detailed CAD Model of a Camshaft for Engine Applications

.STEP