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
XT90 2+2 Male Plug Connector for Electrical Applications
ELECTRICAL · XT90

XT90 2+2 Male Plug Connector for Electrical Applications

.STEP
Free
2mm Thick Sheet Metal Part with Laser-Cut Design
MACHINE DESIGN · SHEET METAL

2mm Thick Sheet Metal Part with Laser-Cut Design

.STEP
Free
Linear Guide Rails and Sliders MGN9H for Y Axis Applications
MACHINE DESIGN · LINEAR GUIDE RAILS

Linear Guide Rails and Sliders MGN9H for Y Axis Applications

.STEP
Free
3D Printed Test Station for 80mm DMM Servo
ROBOTICS · 3D PRINTED TEST STATION

3D Printed Test Station for 80mm DMM Servo

.STEP

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Precision Cylindrical Component 14mm Diameter 34mm Length
MACHINE DESIGN · CYLINDRICAL COMPONENT

Precision Cylindrical Component 14mm Diameter 34mm Length

.STEP
Free
Professional Chessboard Design for Engineering Applications
INDUSTRIAL DESIGN · CHESSBOARD

Professional Chessboard Design for Engineering Applications

.STEP
Free
Snitch Assembly CAD Model for Engineering Applications
MACHINE DESIGN · SNITCH ASSEMBLY

Snitch Assembly CAD Model for Engineering Applications

.STEP
Free
Comprehensive Clutch Assembly with Springs and Friction Components
MACHINE DESIGN · CLUTCH ASSEMBLY

Comprehensive Clutch Assembly with Springs and Friction Components

.STEP
Free
Hand Basket with Unique Color and Design Features
INDUSTRIAL DESIGN · HAND BASKET

Hand Basket with Unique Color and Design Features

.STEP
Free
Micro Two-Cylinder Steam Engine Model for 3D Printing
3D PRINTING · MICRO TWO-CYLINDER STEAM ENGINE

Micro Two-Cylinder Steam Engine Model for 3D Printing

.STEP
Free
Spherical Parallel Joint with 3 Degrees of Freedom for BLDC 2208
ROBOTICS · SPHERICAL PARALLEL JOINT

Spherical Parallel Joint with 3 Degrees of Freedom for BLDC 2208

.STEP
Free
Adapter for Blink Doorbell Cam to 2-Inch Brickmold
ELECTRICAL · BLINK DOORBELL

Adapter for Blink Doorbell Cam to 2-Inch Brickmold

.STEP
Free
Adjustable Hanging Door Sign for Store Decoration
INDUSTRIAL DESIGN · ADJUSTABLE DOOR SIGN

Adjustable Hanging Door Sign for Store Decoration

.STEP
Free
Axial Fan Propeller Inspired by Ziehl-Abegg FE3-owlet Design
INDUSTRIAL DESIGN · AXIAL FAN

Axial Fan Propeller Inspired by Ziehl-Abegg FE3-owlet Design

.STEP
Free
ER-TFT021-1 2.1 Inch 480x480 Pixel Round IPS TFT LCD Display Panel
ELECTRICAL · ER-TFT021-1

ER-TFT021-1 2.1 Inch 480x480 Pixel Round IPS TFT LCD Display Panel

.STEP
Free
Precision Hotend Assembly for 3D Printing Applications
3D PRINTING · PRECISION HOTEND ASSEMBLY

Precision Hotend Assembly for 3D Printing Applications

.STEP
Free
Compact Mini Elevator Design for Industrial Applications
CONSTRUCTION · MINI ELEVATOR

Compact Mini Elevator Design for Industrial Applications

.STEP
Free
DC-DC Step Up 150W Power Module Enclosure for 3D Printing
ELECTRICAL · DC-DC STEP UP

DC-DC Step Up 150W Power Module Enclosure for 3D Printing

.STEP
Free
RF Controller for Racing Competition Applications
AUTOMOTIVE · RF CONTROLLER

RF Controller for Racing Competition Applications

.STEP
Free
Calibration Cube for 3D Printer Accuracy Testing
3D PRINTING · CALIBRATION CUBE

Calibration Cube for 3D Printer Accuracy Testing

.STEP
Free
Vintage Style Turbo Badge Design
AUTOMOTIVE · TURBO

Vintage Style Turbo Badge Design

.STEP
Free
Cardan Joint 6.35x8mm Mechanical Component
MACHINE DESIGN · CARDAN JOINT

Cardan Joint 6.35x8mm Mechanical Component

.STEP