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
Door Mounting Kit Compatible with SIRCO M Systems
INDUSTRIAL DESIGN · DOOR MOUNTING KIT

Door Mounting Kit Compatible with SIRCO M Systems

.STEP
Free
Electrical Transformer Model for Voltage Conversion
ELECTRICAL · ELECTRICAL TRANSFORMER

Electrical Transformer Model for Voltage Conversion

.STEP
Free
EV Charger Type 1 Plug SAE J1772 Model
ELECTRICAL · EV CHARGER

EV Charger Type 1 Plug SAE J1772 Model

.STEP
Free
Spiral Ring Component for Mechanical Assemblies
MACHINE DESIGN · SPIRAL RING

Spiral Ring Component for Mechanical Assemblies

.STEP

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Industrial Component Model
MACHINE DESIGN · INDUSTRIAL COMPONENT

Industrial Component Model

.STEP
Free
6V 12mm 600 RPM Gear Motor CAD Model
ROBOTICS · 6V GEAR MOTOR

6V 12mm 600 RPM Gear Motor CAD Model

.STEP
Free
Contactor S-T25 BC with Thermal Relay TH-T25 by Mitsubishi Electric
ELECTRICAL · CONTACTOR S-T25 BC

Contactor S-T25 BC with Thermal Relay TH-T25 by Mitsubishi Electric

.STEP
Free
24V 6A Modular Power Supply Unit
ELECTRICAL · 24V POWER SUPPLY

24V 6A Modular Power Supply Unit

.STEP
Free
Inductor Transformer 220V to 12V Electrical Component
ELECTRICAL · INDUCTOR TRANSFORMER

Inductor Transformer 220V to 12V Electrical Component

.STEP
Free
Terminal Barrier Blocks for Electrical Connections
ELECTRICAL · TERMINAL BARRIER BLOCK

Terminal Barrier Blocks for Electrical Connections

.STEP
Free
Female 3-Pin Connector with 2.5mm Pitch
ELECTRICAL · FEMALE CONNECTOR

Female 3-Pin Connector with 2.5mm Pitch

.STEP
Free
Female 4-Pin Connector with 2.5mm Pitch
ELECTRICAL · FEMALE CONNECTOR

Female 4-Pin Connector with 2.5mm Pitch

.STEP
Free
Precision Mechanical Component CAD Model
MACHINE DESIGN · PRECISION MECHANICAL COMPONENT

Precision Mechanical Component CAD Model

.STEP
Free
Molex 2-Pin Connector with 3.9mm Pitch
ELECTRICAL · MOLEX

Molex 2-Pin Connector with 3.9mm Pitch

.STEP
Free
Autonomous Solar Panel Cleaning Robot 3D Model
ROBOTICS · AUTONOMOUS

Autonomous Solar Panel Cleaning Robot 3D Model

.STEP
Free
Brass Four-Way Cross with 1/4 Inch Female Pipe Thread Ports
INDUSTRIAL DESIGN · BRASS FOUR-WAY CROSS

Brass Four-Way Cross with 1/4 Inch Female Pipe Thread Ports

.STEP
Free
Brass Hose Fitting with 1/4 Inch Male Pipe Thread and Barbed End
INDUSTRIAL DESIGN · BRASS HOSE FITTING

Brass Hose Fitting with 1/4 Inch Male Pipe Thread and Barbed End

.STEP
Free
Linear Actuator Designed for Servo Motor Applications
MACHINE DESIGN · SERVO MOTOR

Linear Actuator Designed for Servo Motor Applications

.STEP
Free
Thermal Relay TH-T100 by Mitsubishi Electric
ELECTRICAL · THERMAL RELAY

Thermal Relay TH-T100 by Mitsubishi Electric

.STEP
Free
Turbomolecular Vacuum Pump with LF100 Flange
INDUSTRIAL DESIGN · TURBOMOLECULAR VACUUM PUMP

Turbomolecular Vacuum Pump with LF100 Flange

.STEP
Free
Brass Fitting with 1/4 Inch Male Pipe Thread and Barbed Hose Connection
INDUSTRIAL DESIGN · BRASS FITTING

Brass Fitting with 1/4 Inch Male Pipe Thread and Barbed Hose Connection

.STEP
Free
DC Power Jack Socket Female Panel Mount Connector 5.5mm x 2.1mm
ELECTRICAL · DC POWER JACK

DC Power Jack Socket Female Panel Mount Connector 5.5mm x 2.1mm

.STEP