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
1000 CC Four Inline Cylinder Gas Engine CAD Model
MACHINE DESIGN · 1000CCENGINE

1000 CC Four Inline Cylinder Gas Engine CAD Model

.STEP
Free
Quartermaster Extreme V 8.5 Twin Disc Clutch for V160 and 1GZ-FE Engines
AUTOMOTIVE · QUARTERMASTER EXTREME V 8 5

Quartermaster Extreme V 8.5 Twin Disc Clutch for V160 and 1GZ-FE Engines

.STEP
Free
Mechanical Arm - Precision Robotic Device for Industrial and Medical Applications
ROBOTICS · MECHANICAL ARM 16

Mechanical Arm - Precision Robotic Device for Industrial and Medical Applications

.STEP
Free
Simple Snap Lock Design for Secure Fastening
MACHINE DESIGN · SNAP LOCK 3

Simple Snap Lock Design for Secure Fastening

.STEP

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Atomic Cool Radiator for Rear Differential - Detailed 3D Model
3D PRINTING · ATOMIC COOL 13750 1

Atomic Cool Radiator for Rear Differential - Detailed 3D Model

.STEP
Free
Right Fork Protector Guide for Qingqi QM 200 GY-B Motorcycle
AUTOMOTIVE · RIGHT FORK PROTECTOR GUIDE

Right Fork Protector Guide for Qingqi QM 200 GY-B Motorcycle

.STEP
Free
Universal 19-Inch Rack Mount Cabinet for Component Fitting
3D PRINTING · 19 SINTRON 1HE

Universal 19-Inch Rack Mount Cabinet for Component Fitting

.STEP
Free
Hyundai Eon Scaled Model 1:22 - Detailed CAD Design
AUTOMOTIVE · HYUNDAI EON 2

Hyundai Eon Scaled Model 1:22 - Detailed CAD Design

.STEP
Free
Tear Gas Launcher 3D Model - Non-Functional Scale Replica
MACHINE DESIGN · TEAR GAS LAUNCHER 1

Tear Gas Launcher 3D Model - Non-Functional Scale Replica

.STEP
Free
Automotive 12 Volt Low Profile JCase Fuse Series
ELECTRICAL · LOW PROFILE JCASE SERIES 1

Automotive 12 Volt Low Profile JCase Fuse Series

.STEP
Free
Formula Student Racing Car Chassis Design
AUTOMOTIVE · FORMULA CHASSIS 6

Formula Student Racing Car Chassis Design

.STEP
Free
Simplified Scooter Charger Model for Hawk 2.0 Li
ELECTRICAL · CHARGER

Simplified Scooter Charger Model for Hawk 2.0 Li

.STEP
Free
Land Rover Series III Air Intake Elbow for Zenith Carburetor
AUTOMOTIVE · LAND ROVER SERIES III

Land Rover Series III Air Intake Elbow for Zenith Carburetor

.STEP
Free
Valve Cover Gasket for Zastava Yugo 45 - CAD Model
AUTOMOTIVE · VALVE COVER GASKET

Valve Cover Gasket for Zastava Yugo 45 - CAD Model

.STEP
Free
Plastic Chain Conveyor CHEC60 by MISUMI
AUTOMOTIVE · CIRCUIT CONVEYOR

Plastic Chain Conveyor CHEC60 by MISUMI

.STEP
Free
Fuse F1515 15A 32V iMaXX - Electrical Component
ELECTRICAL · FUSE F1515

Fuse F1515 15A 32V iMaXX - Electrical Component

.STEP
Free
Automotive Connectors MTW110 2.8MM 2WF Unsold Housing Natural
MACHINE DESIGN · SUMITOMO 6040 2111 1

Automotive Connectors MTW110 2.8MM 2WF Unsold Housing Natural

.STEP
Free
Automotive Connectors MTW110 2.8MM 2WM Unsoldered Housing Natural
MACHINE DESIGN · SUMITOMO 6030 2981 1

Automotive Connectors MTW110 2.8MM 2WM Unsoldered Housing Natural

.STEP
Free
Land Rover Series 3 88 Petrol Air Cleaner Model
AUTOMOTIVE · LAND ROVER SERIES 3

Land Rover Series 3 88 Petrol Air Cleaner Model

.STEP
Free
High-Performance Roll Bar Seat for Sports Cars
AUTOMOTIVE · SPORT SEAT 3

High-Performance Roll Bar Seat for Sports Cars

.STEP
Free
C-110 2-Pole Automotive Connector | Reliable Electrical Connection
ELECTRICAL · C 110 2 POLE CONNECTOR

C-110 2-Pole Automotive Connector | Reliable Electrical Connection

.STEP
Free
Universal Tube Valve Caps for Bikes and Cars
AUTOMOTIVE · TUBE VALVE CAP

Universal Tube Valve Caps for Bikes and Cars

.STEP