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
Magnetic Safety Switch with 2 Normally Open Contacts and 4-Pin M8 Connector
ELECTRICAL · MAGNETIC SAFETY SWITCH

Magnetic Safety Switch with 2 Normally Open Contacts and 4-Pin M8 Connector

.STEP
Free
10-20 Pin Edge Connector Model
ELECTRICAL · 10-20 PIN EDGE CONNECTOR

10-20 Pin Edge Connector Model

.STEP
Free
High-Quality 10 Pin Connector CAD Model for Electrical and PCB Design
ELECTRICAL · PCB DESIGN

High-Quality 10 Pin Connector CAD Model for Electrical and PCB Design

.STEP
Free
Arduino Nano Microcontroller Board Specifications and Features
ELECTRICAL · ARDUINO NANO

Arduino Nano Microcontroller Board Specifications and Features

.STEP

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Dual Clevis Mount Connector - Precision Mechanical Linkage Component
ROBOTICS · DUAL CLEVIS MOUNT CONNECTOR

Dual Clevis Mount Connector - Precision Mechanical Linkage Component

.STEP
Free
Detailed Frigate Ship Model with Realistic Dimensions
MARINE · SHIP MODEL

Detailed Frigate Ship Model with Realistic Dimensions

.STEP
Free
Heavy Battle Frigate Model Inspired by USS Steam Runner
MARINE · HEAVY BATTLE FRIGATE

Heavy Battle Frigate Model Inspired by USS Steam Runner

.STEP
Free
USS Centurion Star Trek Frigate 3D Model
AEROSPACE · USS CENTURION

USS Centurion Star Trek Frigate 3D Model

.STEP
Free
Ajour XTREME BOXX 4150 Workstation Enclosure Design
INDUSTRIAL DESIGN · BOXX 4150

Ajour XTREME BOXX 4150 Workstation Enclosure Design

.STEP
Free
Sheet Metal Drawer Assembly with Electric Lock and Thermoformed Panels
MACHINE DESIGN · SHEET METAL

Sheet Metal Drawer Assembly with Electric Lock and Thermoformed Panels

.STEP
Free
Ceramic Infrared Gas LPG Burner 100x9cm for Stoves
ENERGY AND POWER · CERAMIC INFRARED BURNER

Ceramic Infrared Gas LPG Burner 100x9cm for Stoves

.STEP
Free
DV-75 Boiler Economiser with Feed Water Preheater Model
ENERGY AND POWER · DV-75 BOILER ECONOMISER

DV-75 Boiler Economiser with Feed Water Preheater Model

.STEP
Free
Pulverized Cement Kiln Burner CFD Model
CHEMICAL · PULVERIZED CEMENT KILN BURNER

Pulverized Cement Kiln Burner CFD Model

.STEP
Free
Honeywell RM 7800 Series Relay Module CAD Model
ELECTRICAL · HONEYWELL RM 7800

Honeywell RM 7800 Series Relay Module CAD Model

.STEP
Free
Burner Assembly CAD Model for Engineering Design
MACHINE DESIGN · BURNER ASSEMBLY

Burner Assembly CAD Model for Engineering Design

.STEP
Free
Industrial Cooker Burner CAD Model for Efficient Heating Solutions
INDUSTRIAL DESIGN · INDUSTRIAL COOKER BURNER

Industrial Cooker Burner CAD Model for Efficient Heating Solutions

.STEP
Free
FOCUS STONE 100 KW Pellet Burner - Efficient Pellet Heating Solution
ENERGY AND POWER · FOCUS STONE 100 KW

FOCUS STONE 100 KW Pellet Burner - Efficient Pellet Heating Solution

.STEP
Free
3D CAD Model of Brother Hobby Tornado T7 4215 260KV Motor for FPV Drones
ROBOTICS · BROTHER HOBBY TORNADO T7 4215 260KV

3D CAD Model of Brother Hobby Tornado T7 4215 260KV Motor for FPV Drones

.STEP
Free
3D CAD Model of Foxeer M10Q-120 GPS for FPV Drone Integration
ROBOTICS · FOXEER M10Q-120

3D CAD Model of Foxeer M10Q-120 GPS for FPV Drone Integration

.STEP
Free
3D CAD Model of GEPRC Maten 1.2G 5W VTX for FPV Drone Integration
ROBOTICS · GEPRC MATEN 1.2G 5W VTX

3D CAD Model of GEPRC Maten 1.2G 5W VTX for FPV Drone Integration

.STEP
Free
3D CAD Model of APD F3 80A ESC for FPV Drone Integration
ROBOTICS · APD F3 80A ESC

3D CAD Model of APD F3 80A ESC for FPV Drone Integration

.STEP
Free
3D Model of Foxeer FPV Camera for Drone Design and Visualization
ROBOTICS · FPV CAMERA

3D Model of Foxeer FPV Camera for Drone Design and Visualization

.STEP