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
Foldable Trailer for 10m RIB Rescue Boat
MARINE · FOLDABLE TRAILER

Foldable Trailer for 10m RIB Rescue Boat

.STEP
Free
Rinker Boat Model - Detailed CAD Design
MARINE · RINKER V1

Rinker Boat Model - Detailed CAD Design

.STEP
Free
Rinker Marine Vessel CAD Model
MARINE · RINKER

Rinker Marine Vessel CAD Model

.STEP
Free
Rinker Marine Vessel CAD Model
MARINE · RINKER

Rinker Marine Vessel CAD Model

.STEP

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Free
Quad Bot Designed for Rescue Operations
ROBOTICS · QUAD BOT

Quad Bot Designed for Rescue Operations

.STEP
Free
Precision Engine Piston CAD Model
AUTOMOTIVE · ENGINE PISTON

Precision Engine Piston CAD Model

.STEP
Free
Heavy Duty Worm Gear Reduction Winch CAD Model
MACHINE DESIGN · WORM GEAR

Heavy Duty Worm Gear Reduction Winch CAD Model

.STEP
Free
Thread Winding Tool for Plastic Net Needle with Removable Crank Handle
MACHINE DESIGN · THREAD WINDING TOOL

Thread Winding Tool for Plastic Net Needle with Removable Crank Handle

.STEP
Free
Weipu WK20ZMQ IP68 Socket Connector
ELECTRICAL · WEIPU WK20ZMQ

Weipu WK20ZMQ IP68 Socket Connector

.STEP
Free
Voith Schneider Propeller for RC Ship Models
MARINE · VOITH SCHNEIDER PROPELLER

Voith Schneider Propeller for RC Ship Models

.STEP
Free
Industrial Pocket Wheels for Chain Drive and Conveying Systems
MACHINE DESIGN · POCKET WHEELS

Industrial Pocket Wheels for Chain Drive and Conveying Systems

.STEP
Free
LED COB 10W High-Efficiency Lighting Module
ELECTRICAL · LED

LED COB 10W High-Efficiency Lighting Module

.STEP
Free
Industrial Butterfly Valve 3D CAD Model for Fluid Control
INDUSTRIAL DESIGN · BUTTERFLY VALVE

Industrial Butterfly Valve 3D CAD Model for Fluid Control

.STEP
Free
Multi-Function Aluminum Toggle Switch with LED Dimmer for Vehicles
AUTOMOTIVE · TOGGLE SWITCH

Multi-Function Aluminum Toggle Switch with LED Dimmer for Vehicles

.STEP
Free
Reverse Engineering and 3D Scanning of a Boat
MARINE · 3D SCANNING

Reverse Engineering and 3D Scanning of a Boat

.STEP
Free
Parametric Hattersley Fig. 1932 Valve Model for MEP Piping Layouts
CONSTRUCTION · HATTERSLEY FIG. 1932

Parametric Hattersley Fig. 1932 Valve Model for MEP Piping Layouts

.STEP
Free
SolidWorks Practice Model for CAD Design
CAD PRACTICE MODEL

SolidWorks Practice Model for CAD Design

.STEP
Free
Plastic Hose Industrial Component
INDUSTRIAL DESIGN · PLASTIC HOSE

Plastic Hose Industrial Component

.STEP
Free
RealPRO Series Battery Charger - Reliable and Affordable Charging System
ENERGY AND POWER · REALPRO SERIES

RealPRO Series Battery Charger - Reliable and Affordable Charging System

.STEP
Free
Futuristic Battleship Inspired by La Fayette Class Frigate 3D Model
MARINE · FUTURISTIC BATTLESHIP

Futuristic Battleship Inspired by La Fayette Class Frigate 3D Model

.STEP
Free
Amphibious Barge Hull Design with Reinforced Jack-Up Legs
MARINE · AMPHIBIOUS BARGE

Amphibious Barge Hull Design with Reinforced Jack-Up Legs

.STEP
Free
Oval Flange with Central Cylindrical Protrusion and Fastening Holes
MACHINE DESIGN · OVAL FLANGE

Oval Flange with Central Cylindrical Protrusion and Fastening Holes

.STEP