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
3D Model of Velleman 145848 Component
ELECTRICAL · VELLEMAN 145848

3D Model of Velleman 145848 Component

.STEP
Free
Tru Components RJ45-02-BK RJ45 Panel Mount Socket Black
ELECTRICAL · RJ45

Tru Components RJ45-02-BK RJ45 Panel Mount Socket Black

.STEP
Free
M12 Washer for Gorva Mechano 3PDT Footswitch
INDUSTRIAL DESIGN · M12 WASHER

M12 Washer for Gorva Mechano 3PDT Footswitch

.STEP
Free
SATA Male 15-Pin Hard Disk Interface Connector
ELECTRICAL · SATA CONNECTOR

SATA Male 15-Pin Hard Disk Interface Connector

.STEP

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Electronic Component Datasheet Reference
ELECTRICAL · ELECTRONIC COMPONENT

Electronic Component Datasheet Reference

.STEP
Free
YT-RJ45 Waterproof Signal Connector for Industrial Applications
ELECTRICAL · YT-RJ45

YT-RJ45 Waterproof Signal Connector for Industrial Applications

.STEP
Free
Panasonic CT Series Automotive Relays 12V Coil 20A/30A
AUTOMOTIVE · PANASONIC CT SERIES

Panasonic CT Series Automotive Relays 12V Coil 20A/30A

.STEP
Free
NODEMCU-32 v1.3 Board with ESP32 WROVER B Module CAD Model
ELECTRICAL · NODEMCU-32 V1.3

NODEMCU-32 v1.3 Board with ESP32 WROVER B Module CAD Model

.STEP
Free
Yageo MFR50 Series 1/2W Resistor with 9.5mm Length and 3.6mm Diameter
ELECTRICAL · YAGEO MFR50

Yageo MFR50 Series 1/2W Resistor with 9.5mm Length and 3.6mm Diameter

.STEP
Free
High Torque Density TKH Direct Drive Torque Motors
MACHINE DESIGN · TKH

High Torque Density TKH Direct Drive Torque Motors

.STEP
Free
Swiss T13 Electrical Plug 250V 10A CAD Model
ELECTRICAL · SWISS T13

Swiss T13 Electrical Plug 250V 10A CAD Model

.STEP
Free
Aluminum Mounting Bracket for Warn/Allright Solenoid Winch Controller
AUTOMOTIVE · ALUMINUM MOUNTING BRACKET

Aluminum Mounting Bracket for Warn/Allright Solenoid Winch Controller

.STEP
Free
Automotive Wiring for Daytime Running Light and Turn Signal Integration with Arduino Nano
AUTOMOTIVE · DAYTIME RUNNING LIGHT

Automotive Wiring for Daytime Running Light and Turn Signal Integration with Arduino Nano

.STEP
Free
Detailed Replica of Koenigsegg Dark Matter Motor with Internal View
AUTOMOTIVE · KOENIGSEGG DARK MATTER MOTOR

Detailed Replica of Koenigsegg Dark Matter Motor with Internal View

.STEP
Free
Protective Cover for M27x1.5 Threaded Connectors GOST 25930-83
INDUSTRIAL DESIGN · PROTECTIVE COVER

Protective Cover for M27x1.5 Threaded Connectors GOST 25930-83

.STEP
Free
3D Model of 1.5V AA Battery with Precise Measurements
ELECTRICAL · 1.5V AA BATTERY

3D Model of 1.5V AA Battery with Precise Measurements

.STEP
Free
AAA 1.5V Battery Model with Accurate Dimensions
ELECTRICAL · AAA BATTERY

AAA 1.5V Battery Model with Accurate Dimensions

.STEP
Free
Protective Covers for M27x1.5 Threaded Connectors GOST 25930-83
INDUSTRIAL DESIGN · PROTECTIVE COVERS

Protective Covers for M27x1.5 Threaded Connectors GOST 25930-83

.STEP
Free
Electrical Junction Box with Cover for Efficient Installation
ELECTRICAL · JUNCTION BOX

Electrical Junction Box with Cover for Efficient Installation

.STEP
Free
DC-DC Converter Package NDP1460QB 3D Model for Electronic Components
ELECTRICAL · DC-DC CONVERTER

DC-DC Converter Package NDP1460QB 3D Model for Electronic Components

.STEP
Free
3PDT ON-ON Toggle Switch for Electronic Applications
ELECTRICAL · 3PDT TOGGLE SWITCH

3PDT ON-ON Toggle Switch for Electronic Applications

.STEP
Free
Back Volume Tutorial Model for Engineering Reference
MACHINE DESIGN · BACK VOLUME TUTORIAL

Back Volume Tutorial Model for Engineering Reference

.STEP