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
Smart Street Light with Integrated Camera, Motion Sensor, and Cooling System
ELECTRICAL · SMART STREET LIGHT

Smart Street Light with Integrated Camera, Motion Sensor, and Cooling System

.STEP
Free
Post-Touch Lathe Chuck Drawing
MACHINE DESIGN · LATHE CHUCK

Post-Touch Lathe Chuck Drawing

.STEP
Free
Hydraulic Filter Component for Fluid Systems
MACHINE DESIGN · HYDRAULIC FILTER

Hydraulic Filter Component for Fluid Systems

.STEP
Free
3D Model of a DC Motor for Engineering Applications
MACHINE DESIGN · DC MOTOR

3D Model of a DC Motor for Engineering Applications

.STEP

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Heat Transfer Unit for Water Heating Applications
ENERGY AND POWER · HEAT TRANSFER UNIT

Heat Transfer Unit for Water Heating Applications

.STEP
Free
Dual Refrigerant Circle Water Chiller with Heat Reclaim System
ENERGY AND POWER · DUAL REFRIGERANT CIRCUIT

Dual Refrigerant Circle Water Chiller with Heat Reclaim System

.STEP
Free
5-Inch Square Cooling Fan with Quick-Disconnect Terminals, 200-240V AC
ELECTRICAL · COOLING FAN

5-Inch Square Cooling Fan with Quick-Disconnect Terminals, 200-240V AC

.STEP
Free
6-Position Fused Power Distribution Strip with DIN Rail Mount
ELECTRICAL · 6-POSITION POWER DISTRIBUTION STRIP

6-Position Fused Power Distribution Strip with DIN Rail Mount

.STEP
Free
DROK DC-DC Constant Voltage and Current Converter 5-65V to 0-60V
ELECTRICAL · DC-DC CONVERTER

DROK DC-DC Constant Voltage and Current Converter 5-65V to 0-60V

.STEP
Free
Push Button Reset Circuit Breaker with Spade Tab Connections 5A
ELECTRICAL · PUSH BUTTON RESET

Push Button Reset Circuit Breaker with Spade Tab Connections 5A

.STEP
Free
High-Speed Fan Generator CAD Model
ENERGY AND POWER · HIGH-SPEED FAN GENERATOR

High-Speed Fan Generator CAD Model

.STEP
Free
Industrial Heat Exchanger Design for Thermal Applications
ENERGY AND POWER · HEAT EXCHANGER

Industrial Heat Exchanger Design for Thermal Applications

.STEP
Free
12HP Tube-in-Tube Condenser for Industrial Applications
INDUSTRIAL DESIGN · 12HP TUBE-IN-TUBE CONDENSER

12HP Tube-in-Tube Condenser for Industrial Applications

.STEP
Free
AC-DC Power Conversion Module
ELECTRICAL · AC-DC CONVERSION

AC-DC Power Conversion Module

.STEP
Free
AC-DC AMEOF3-12SLJZ Power Module
ELECTRICAL · AC-DC POWER MODULE

AC-DC AMEOF3-12SLJZ Power Module

.STEP
Free
R-78Exx-1.0 Power Module by RECOM
ELECTRICAL · R-78EXX-1.0

R-78Exx-1.0 Power Module by RECOM

.STEP
Free
Battery Holder BHC-CR123A for Secure Power Storage
ELECTRICAL · BATTERY HOLDER

Battery Holder BHC-CR123A for Secure Power Storage

.STEP
Free
9 Turn Bashar Space Time Antenna with 6mm Wire and 33.3° Cone Angle
ELECTRICAL · 9 TURN BASHAR ANTENNA

9 Turn Bashar Space Time Antenna with 6mm Wire and 33.3° Cone Angle

.STEP
Free
Bubble Sensor for Gas Volume Measurement in Electrolyzer Fluids
ENERGY AND POWER · BUBBLE SENSOR

Bubble Sensor for Gas Volume Measurement in Electrolyzer Fluids

.STEP
Free
Electrolyzer for Electromagnetic Influence on Hydrogen Generation
ENERGY AND POWER · ELECTROLYZER

Electrolyzer for Electromagnetic Influence on Hydrogen Generation

.STEP
Free
Versatile Nozzle for Industrial and 3D Printing Applications
3D PRINTING · NOZZLE

Versatile Nozzle for Industrial and 3D Printing Applications

.STEP
Free
Compact Heat Sink for Audio Amplifiers TDA2050, TDA2030, TDA2003
ELECTRICAL · HEAT SINK

Compact Heat Sink for Audio Amplifiers TDA2050, TDA2030, TDA2003

.STEP