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
Mechanical Part Component CAD Model
MACHINE DESIGN · MECHANICAL PART

Mechanical Part Component CAD Model

.STEP
Free
Classic Sporty Car Rim Design
AUTOMOTIVE · CAR RIM

Classic Sporty Car Rim Design

.STEP
Free
Heavy-Duty Forged Steel D-Ring Tie-Down Anchor - Weld-On, 15,000 lbs WLL
AUTOMOTIVE · D-RING

Heavy-Duty Forged Steel D-Ring Tie-Down Anchor - Weld-On, 15,000 lbs WLL

.STEP
Free
Caterham Lotus 7 Inspired Replica Frame CAD Model
AUTOMOTIVE · CATERHAM LOTUS 7

Caterham Lotus 7 Inspired Replica Frame CAD Model

.STEP

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Landing Gear Assembly for Aerospace Applications
AEROSPACE · LANDING GEAR

Landing Gear Assembly for Aerospace Applications

.STEP
Free
Steering Knuckle with Wheel Hub for Mitsubishi Lancer/Colt 2001
AUTOMOTIVE · STEERING KNUCKLE

Steering Knuckle with Wheel Hub for Mitsubishi Lancer/Colt 2001

.STEP
Free
Rear Control Arms for 2008 Toyota Sequoia - Precision Automotive Part
AUTOMOTIVE · REAR CONTROL ARMS

Rear Control Arms for 2008 Toyota Sequoia - Precision Automotive Part

.STEP
Free
Professional Engineering Component Model
MACHINE DESIGN · ENGINEERING COMPONENT

Professional Engineering Component Model

.STEP
Free
High-Quality Connection Rod CAD Model for Mechanical Assemblies
MACHINE DESIGN · CONNECTION ROD

High-Quality Connection Rod CAD Model for Mechanical Assemblies

.STEP
Free
Helimats Helios Cycling Helmet with Advanced Impact Protection Technology
INDUSTRIAL DESIGN · HELIMATS HELIOS

Helimats Helios Cycling Helmet with Advanced Impact Protection Technology

.STEP
Free
Concept Car Chassis Frame with Circular Pipe Cross-Section Analysis
AUTOMOTIVE · CONCEPT CAR CHASSIS

Concept Car Chassis Frame with Circular Pipe Cross-Section Analysis

.STEP
Free
Thermal Test Component
INDUSTRIAL DESIGN · THERMAL TEST COMPONENT

Thermal Test Component

.STEP
Free
Automatic Soldering Process Equipment for Industrial Applications
ELECTRICAL · AUTOMATIC SOLDERING

Automatic Soldering Process Equipment for Industrial Applications

.STEP
Free
Heavy Duty Lifting Equipment with 300kg Capacity and 12m Lift Height
INDUSTRIAL DESIGN · HEAVY DUTY LIFTING EQUIPMENT

Heavy Duty Lifting Equipment with 300kg Capacity and 12m Lift Height

.STEP
Free
15.6-Inch Capacitive Touch Screen Desktop Display
ELECTRICAL · 15.6-INCH TOUCH SCREEN

15.6-Inch Capacitive Touch Screen Desktop Display

.STEP
Free
4K 60Hz KVM Switch for High-Resolution Display Control
ELECTRICAL · 4K60HZ

4K 60Hz KVM Switch for High-Resolution Display Control

.STEP
Free
Trailer Caravan Jockey Wheel Clamp with Rubber Grip and Zinc Plating
AUTOMOTIVE · TRAILER CARAVAN

Trailer Caravan Jockey Wheel Clamp with Rubber Grip and Zinc Plating

.STEP
Free
Galvanized 48mm Jockey Wheel with Puncture Proof Tyre and Clamp for Caravans and Trailers
AUTOMOTIVE · JOCKEY WHEEL

Galvanized 48mm Jockey Wheel with Puncture Proof Tyre and Clamp for Caravans and Trailers

.STEP
Free
48mm Jockey Wheel with Clamp and Hard Rubber Tyre - 150kg Capacity
AUTOMOTIVE · 48MM JOCKEY WHEEL

48mm Jockey Wheel with Clamp and Hard Rubber Tyre - 150kg Capacity

.STEP
Free
Suspension Height Tensioner Screw for Honda CBR 929 RR Motorcycle
AUTOMOTIVE · SUSPENSION

Suspension Height Tensioner Screw for Honda CBR 929 RR Motorcycle

.STEP
Free
CATIA Wiring Harness Design Model
ELECTRICAL · WIRING HARNESS

CATIA Wiring Harness Design Model

.STEP
Free
Rear Vehicle Door CAD Model
AUTOMOTIVE · REAR DOOR

Rear Vehicle Door CAD Model

.STEP