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
Ball Screw Support Units - Support Side Round Type FF Series
MACHINE DESIGN · BALL SCREW SUPPORT UNIT

Ball Screw Support Units - Support Side Round Type FF Series

.STEP
Free
Manual Linear Stage Design with ISO Standard Components
MACHINE DESIGN · MANUAL LINEAR STAGE

Manual Linear Stage Design with ISO Standard Components

.STEP
Free
Concentrated Solar Power Steam and Electric Generator Model
ENERGY AND POWER · CONCENTRATED SOLAR POWER

Concentrated Solar Power Steam and Electric Generator Model

.STEP
Free
Structural and Thermal Analysis of Steam Turbine for Enhanced Efficiency and Reliability
ENERGY AND POWER · STEAM TURBINE

Structural and Thermal Analysis of Steam Turbine for Enhanced Efficiency and Reliability

.STEP

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Thermodynamic Analysis of Turbine Blade Under High Temperature and Water Vapor Flow
ENERGY AND POWER · TURBINE BLADE

Thermodynamic Analysis of Turbine Blade Under High Temperature and Water Vapor Flow

.STEP
Free
Simple Steam Turbine with Steel Tube Blades for Easy Fabrication
ENERGY AND POWER · STEAM TURBINE

Simple Steam Turbine with Steel Tube Blades for Easy Fabrication

.STEP
Free
High-Precision Steam Turbine Blade Model for Engineering Applications
ENERGY AND POWER · STEAM TURBINE BLADE

High-Precision Steam Turbine Blade Model for Engineering Applications

.STEP
Free
Gland Steam Condenser for Steam Turbine - 250 kg/hr Capacity
ENERGY AND POWER · GLAND STEAM CONDENSER

Gland Steam Condenser for Steam Turbine - 250 kg/hr Capacity

.STEP
Free
Tesla Turbine and Stirling Engine Thermodynamic Study
ENERGY AND POWER · TESLA TURBINE

Tesla Turbine and Stirling Engine Thermodynamic Study

.STEP
$5
Limit Switch, Model: OMRON D3V-6G6M-3C24-K
ROBOTICS · SAFETY DEVICE

Limit Switch, Model: OMRON D3V-6G6M-3C24-K

.STEP
Free
Citizen Windsurfing Watch - Precision Timepiece for Water Sports
JEWELLERY · CITIZEN WINDSURFING WATCH

Citizen Windsurfing Watch - Precision Timepiece for Water Sports

.STEP
Free
Citizen Watch CAD Model - Precision Timepiece Design
INDUSTRIAL DESIGN · PRECISION TIMEPIECE

Citizen Watch CAD Model - Precision Timepiece Design

.STEP
Free
Citizen Aviator Chronograph Eco-Drive Watch Assembly Model
JEWELLERY · CITIZEN AVIATOR CHRONOGRAPH

Citizen Aviator Chronograph Eco-Drive Watch Assembly Model

.STEP
Free
Citizen Watch 3D Model - Detailed Timepiece Design
JEWELLERY · TIMEPIECE

Citizen Watch 3D Model - Detailed Timepiece Design

.STEP
Free
Citizen Wrist Watch Replica CAD Model
JEWELLERY · CITIZEN

Citizen Wrist Watch Replica CAD Model

.STEP
Free
Citizen Watch Strap Adapter 22mm to 14mm
JEWELLERY · WATCH STRAP ADAPTER

Citizen Watch Strap Adapter 22mm to 14mm

.STEP
$15
Cam Housing | 7-Cylinder Radial Engine (STEP File + 2D Technical Drawing)
AEROSPACE · SOLIDWORKS

Cam Housing | 7-Cylinder Radial Engine (STEP File + 2D Technical Drawing)

.STEP
Free
Detachable Top Component for Versatile Machining and Pressing Operations
MACHINE DESIGN · DETACHABLE TOP COMPONENT

Detachable Top Component for Versatile Machining and Pressing Operations

.STEP
Free
KUKA IONTEC Six-Axis Industrial Robot with 30kg Payload Capacity
ROBOTICS · KUKA IONTEC

KUKA IONTEC Six-Axis Industrial Robot with 30kg Payload Capacity

.STEP
Free
Generic Mechanical Component with Approximate Dimensions
MACHINE DESIGN · MECHANICAL COMPONENT

Generic Mechanical Component with Approximate Dimensions

.STEP
Free
Double-Eye Leaf Spring for Trailer Suspension with 2,000 lb Axle Capacity
AUTOMOTIVE · DOUBLE-EYE LEAF SPRING

Double-Eye Leaf Spring for Trailer Suspension with 2,000 lb Axle Capacity

.STEP
Free
Remote Controlled Car Jack Powered by Wiper Motor and Motorcycle Battery
AUTOMOTIVE · REMOTE CONTROLLED CAR JACK

Remote Controlled Car Jack Powered by Wiper Motor and Motorcycle Battery

.STEP