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
10.0 to 10.5 GHz Amateur Radio Horn Feed Antenna Model
ELECTRICAL · HORN FEED ANTENNA

10.0 to 10.5 GHz Amateur Radio Horn Feed Antenna Model

.STEP
Free
50 Ohm Wurth SMA 4-Hole Flange Waveguide Connector 18 GHz
ELECTRICAL · 50 OHM

50 Ohm Wurth SMA 4-Hole Flange Waveguide Connector 18 GHz

.STEP
Free
50 Ohm Rosenberger Edge-Launch Substrate Clamping 2.92mm Connector for High-Frequency Applications
ELECTRICAL · 50 OHM CONNECTOR

50 Ohm Rosenberger Edge-Launch Substrate Clamping 2.92mm Connector for High-Frequency Applications

.STEP
Free
Inverted Pyramid Broadband Antenna with Stacked Square Design
ELECTRICAL · INVERTED PYRAMID ANTENNA

Inverted Pyramid Broadband Antenna with Stacked Square Design

.STEP

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50 Ohm Rosenberger Soldered Edge Launch 2.92mm Connector Model
ELECTRICAL · 50 OHM ROSENBERGER CONNECTOR

50 Ohm Rosenberger Soldered Edge Launch 2.92mm Connector Model

.STEP
Free
PX4 Professional Autopilot System for UAVs and Robotics
ROBOTICS · PX4

PX4 Professional Autopilot System for UAVs and Robotics

.STEP
Free
High-Performance Ranging and Proximity Sensor for Drones and Robots
ROBOTICS · RANGING SENSOR

High-Performance Ranging and Proximity Sensor for Drones and Robots

.STEP
Free
Carbon Fiber UAV Propeller 13 Inch for Aerial Applications
AVIATION · CARBON FIBER

Carbon Fiber UAV Propeller 13 Inch for Aerial Applications

.STEP
Free
Antonov An-225 Aircraft Replica CAD Model
AEROSPACE · ANTONOV AN-225

Antonov An-225 Aircraft Replica CAD Model

.STEP
Free
Johnson-Cinch Bel Edge Mount 2.92mm 50 Ohm Connector for PCB
ELECTRICAL · 2.92MM CONNECTOR

Johnson-Cinch Bel Edge Mount 2.92mm 50 Ohm Connector for PCB

.STEP
Free
Johnson-Cinch Bel Edge Mount 2.92mm 50 Ohm Connector for PCB
ELECTRICAL · JOHNSON-CINCH BEL EDGE MOUNT

Johnson-Cinch Bel Edge Mount 2.92mm 50 Ohm Connector for PCB

.STEP
Free
Johnson-Cinch Bel Edge Mount 2.92mm 50 Ohm Connector for PCB
ELECTRICAL · 2.92MM CONNECTOR

Johnson-Cinch Bel Edge Mount 2.92mm 50 Ohm Connector for PCB

.STEP
Free
An-28 Bryza Sp Engine Gondola CAD Model
AEROSPACE · AN-28 BRYZA SP

An-28 Bryza Sp Engine Gondola CAD Model

.STEP
Free
Next Generation Do 335 Aircraft Model
AVIATION · DO 335

Next Generation Do 335 Aircraft Model

.STEP
Free
Herelink Air Module with TAOglas Antenna for Wireless Communication
AEROSPACE · HERELINK AIR MODULE

Herelink Air Module with TAOglas Antenna for Wireless Communication

.STEP
Free
Jet Engine Design CAD Model
AEROSPACE · JET ENGINE

Jet Engine Design CAD Model

.STEP
Free
Compact Mini Hinge for Precision Applications
MACHINE DESIGN · MINI HINGE

Compact Mini Hinge for Precision Applications

.STEP
Free
Generic Mechanical Component Model
MACHINE DESIGN · MECHANICAL COMPONENT

Generic Mechanical Component Model

.STEP
Free
Precision Engineered Mechanical Component
MACHINE DESIGN · MECHANICAL COMPONENT

Precision Engineered Mechanical Component

.STEP
Free
A380-800 Aircraft Model Overview
AEROSPACE · A380-800

A380-800 Aircraft Model Overview

.STEP
Free
Simple and Efficient Propeller Design for Engineering Applications
AEROSPACE · PROPELLER

Simple and Efficient Propeller Design for Engineering Applications

.STEP
Free
TCAS II Antenna Model for Commercial Aircraft with 1.030-1.090 GHz Frequency Range
AVIATION · TCAS II

TCAS II Antenna Model for Commercial Aircraft with 1.030-1.090 GHz Frequency Range

.STEP