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
Dorin 81Vs Compressor with Direct Drive Electric Motor
ENERGY AND POWER · DORIN 81VS

Dorin 81Vs Compressor with Direct Drive Electric Motor

.STEP
Free
EPEVER VS4524AU PWM Charge Controller
ENERGY AND POWER · EPEVER VS4524AU

EPEVER VS4524AU PWM Charge Controller

.STEP
Free
Electric Vehicle Charging Connector
AUTOMOTIVE · ELECTRIC VEHICLE

Electric Vehicle Charging Connector

.STEP
Free
Shell and Tube Heat Exchanger CAD Model
CHEMICAL · SHELL AND TUBE HEAT EXCHANGER

Shell and Tube Heat Exchanger CAD Model

.STEP

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Metal Power Strip with On/Off Switch and LED Indicators - 4 Outlets
ELECTRICAL · POWER STRIP

Metal Power Strip with On/Off Switch and LED Indicators - 4 Outlets

.STEP
Free
LED Lightbulb with M26 Base - Industrial Lighting Component
ELECTRICAL · LED LIGHTBULB

LED Lightbulb with M26 Base - Industrial Lighting Component

.STEP
Free
Battery Bracket for Makita 18V Tools with Contact Plate Support
INDUSTRIAL DESIGN · BATTERY BRACKET

Battery Bracket for Makita 18V Tools with Contact Plate Support

.STEP
Free
Feed Check Valve for Boiler Water Flow Control
ENERGY AND POWER · FEED CHECK VALVE

Feed Check Valve for Boiler Water Flow Control

.STEP
Free
Industrial Water Chiller Unit for Cooling Applications
ENERGY AND POWER · WATER CHILLER

Industrial Water Chiller Unit for Cooling Applications

.STEP
Free
Audi Logo 3D Model for Engineering and Design
AUTOMOTIVE · AUDI

Audi Logo 3D Model for Engineering and Design

.STEP
Free
3D CAD Model for Mechanical Component
MACHINE DESIGN · MECHANICAL COMPONENT

3D CAD Model for Mechanical Component

.STEP
Free
Minebea NEMA 14 Stepper Motor with 5mm Shaft
ROBOTICS · MINEBEA NEMA 14

Minebea NEMA 14 Stepper Motor with 5mm Shaft

.STEP
Free
MINEBEA NEMA 17 Stepper Motor Model with 38.5mm Length and 5mm Shaft
ROBOTICS · MINEBEA NEMA 17

MINEBEA NEMA 17 Stepper Motor Model with 38.5mm Length and 5mm Shaft

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

Industrial Mechanical Component CAD Model

.STEP
Free
Dianome Power Distribution Board for Efficient Energy Management
ELECTRICAL · DIANOME

Dianome Power Distribution Board for Efficient Energy Management

.STEP
Free
Dual 18650 Battery Case for Secure Storage
ELECTRICAL · 18650 BATTERY CASE

Dual 18650 Battery Case for Secure Storage

.STEP
Free
LI-IMX577 MIPI CS Camera Module for Industrial Applications
INDUSTRIAL DESIGN · LI-IMX577

LI-IMX577 MIPI CS Camera Module for Industrial Applications

.STEP
Free
Shunt Resistor 100A 75mV for Precise Current Sensing
ELECTRICAL · SHUNT RESISTOR

Shunt Resistor 100A 75mV for Precise Current Sensing

.STEP
Free
Renewable Biomass Briquettes for Sustainable Energy
ENERGY AND POWER · BIOMASS BRIQUETTES

Renewable Biomass Briquettes for Sustainable Energy

.STEP
Free
80mm Brushless DC Cooling Fan Sunon KD1208PTB1 Specifications
ELECTRICAL · BRUSHLESS DC FAN

80mm Brushless DC Cooling Fan Sunon KD1208PTB1 Specifications

.STEP
Free
2.5 Meter Belt Conveyor Industrial Equipment
INDUSTRIAL DESIGN · BELT CONVEYOR

2.5 Meter Belt Conveyor Industrial Equipment

.STEP
Free
2-Pin Pogo Connector and Socket Assembly
ELECTRICAL · 2-PIN POGO CONNECTOR

2-Pin Pogo Connector and Socket Assembly

.STEP