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
TL40X70 Mechanical Component with High Load Capacity
MACHINE DESIGN · TL40X70

TL40X70 Mechanical Component with High Load Capacity

.STEP
Free
Industrial Component Model with Video Reference
MACHINE DESIGN · INDUSTRIAL COMPONENT

Industrial Component Model with Video Reference

.STEP
Free
RF Dome ISM Panel Antenna Mounting Assembly
ELECTRICAL · RF DOME

RF Dome ISM Panel Antenna Mounting Assembly

.STEP
Free
Dual USB-CAN Adapter and SWD Programmer for Robotics Development
ROBOTICS · USB-CAN ADAPTER

Dual USB-CAN Adapter and SWD Programmer for Robotics Development

.STEP

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Stepper Motor NEMA 34 with Encoder - 120kg.cm Torque
ROBOTICS · NEMA 34

Stepper Motor NEMA 34 with Encoder - 120kg.cm Torque

.STEP
Free
Step Motor C17HD0004-02 for 3D Printers
3D PRINTING · STEP MOTOR

Step Motor C17HD0004-02 for 3D Printers

.STEP
Free
Modular Mobile Platform Constructor for Small Laboratory Projects
ROBOTICS · MODULAR MOBILE PLATFORM

Modular Mobile Platform Constructor for Small Laboratory Projects

.STEP
Free
Modular Mobile Platform Constructor for Small Laboratory Projects
ROBOTICS · MODULAR MOBILE PLATFORM

Modular Mobile Platform Constructor for Small Laboratory Projects

.STEP
Free
Industrial Mechanical Component for Engineering Applications
MACHINE DESIGN · MECHANICAL COMPONENT

Industrial Mechanical Component for Engineering Applications

.STEP
Free
Electronic Metal Cabinet Lock with Emergency Switch Key
ELECTRICAL · ELECTRONIC LOCK

Electronic Metal Cabinet Lock with Emergency Switch Key

.STEP
Free
18V Drill Motor for Power Tools
MACHINE DESIGN · 18V DRILL MOTOR

18V Drill Motor for Power Tools

.STEP
Free
Super Gear M4-45T with 45mm Diameter Shaft
MACHINE DESIGN · SUPER GEAR M4-45T

Super Gear M4-45T with 45mm Diameter Shaft

.STEP
Free
Precision Adjuster Wheel for Fine Calibration Applications
3D PRINTING · PRECISION ADJUSTER WHEEL

Precision Adjuster Wheel for Fine Calibration Applications

.STEP
Free
Industrial Gripper Robot Design for Automation Applications
ROBOTICS · INDUSTRIAL GRIPPER

Industrial Gripper Robot Design for Automation Applications

.STEP
Free
JAE Electrical Connector for Industrial Applications
ELECTRICAL · JAE

JAE Electrical Connector for Industrial Applications

.STEP
Free
HP t610 Flexible Thin Client with AMD APU and Dual Core Processor
INDUSTRIAL DESIGN · HP T610

HP t610 Flexible Thin Client with AMD APU and Dual Core Processor

.STEP
Free
Electrical Electronic Component Insertion Gripper CAD Model
ELECTRICAL · COMPONENT INSERTION GRIPPER

Electrical Electronic Component Insertion Gripper CAD Model

.STEP
Free
Bigtree-Tech EZ2209 TMC 2209 Stepper Motor Driver Module
ROBOTICS · BIGTREE-TECH EZ2209

Bigtree-Tech EZ2209 TMC 2209 Stepper Motor Driver Module

.STEP
Free
6 Inch Aluminum Lazy Susan Bearing Model
MACHINE DESIGN · LAZY SUSAN BEARING

6 Inch Aluminum Lazy Susan Bearing Model

.STEP
Free
Hadrian X Inspired Brick Laying Robot CAD Model
CONSTRUCTION · HADRIAN X

Hadrian X Inspired Brick Laying Robot CAD Model

.STEP
Free
ODROID-N2 Single Board Computer with 4GB RAM
ELECTRICAL · ODROID-N2

ODROID-N2 Single Board Computer with 4GB RAM

.STEP
Free
Compact Mechanical Component 48.5x32.5x20.5 mm
MACHINE DESIGN · COMPACT MECHANICAL COMPONENT

Compact Mechanical Component 48.5x32.5x20.5 mm

.STEP