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
Mechanical Measuring Tool for Shaft Defect Inspection
INDUSTRIAL DESIGN · SHAFT INSPECTION

Mechanical Measuring Tool for Shaft Defect Inspection

.STEP
Free
Coal Power Plant Components Overview
ENERGY AND POWER · COAL POWER PLANT

Coal Power Plant Components Overview

.STEP
Free
Electric Motor SCL KR 1 HP with Coupling - Industrial Motor Component
MACHINE DESIGN · ELECTRIC MOTOR

Electric Motor SCL KR 1 HP with Coupling - Industrial Motor Component

.STEP
Free
300 Watt Balcony Power Plant Inverter
ENERGY AND POWER · 300W INVERTER

300 Watt Balcony Power Plant Inverter

.STEP

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300 Watt Solar Panel for Balcony Power Systems
ENERGY AND POWER · 300W SOLAR PANEL

300 Watt Solar Panel for Balcony Power Systems

.STEP
Free
Electric Motor Bracket CAD Model for Industrial Applications
MACHINE DESIGN · ELECTRIC MOTOR BRACKET

Electric Motor Bracket CAD Model for Industrial Applications

.STEP
Free
Coal Power Plant Ash Handling Fan Impeller CAD Model
ENERGY AND POWER · ASH HANDLING FAN

Coal Power Plant Ash Handling Fan Impeller CAD Model

.STEP
Free
Oil Cooler System with Pipe and Cooling Fins Design
ENERGY AND POWER · OIL COOLER

Oil Cooler System with Pipe and Cooling Fins Design

.STEP
Free
PCB CNC Machine with 200mm x 300mm Working Area and 500W Brushless Motor
ELECTRICAL · PCB CNC MACHINE

PCB CNC Machine with 200mm x 300mm Working Area and 500W Brushless Motor

.STEP
Free
Helical Coil Heat Exchanger Analysis Model
ENERGY AND POWER · HELICAL COIL HEAT EXCHANGER

Helical Coil Heat Exchanger Analysis Model

.STEP
Free
Automotive Disc Brake Design and Finite Element Analysis
AUTOMOTIVE · DISC BRAKE

Automotive Disc Brake Design and Finite Element Analysis

.STEP
Free
IGES and STL File Formats for CAD Models
3D PRINTING · IGES

IGES and STL File Formats for CAD Models

.STEP
Free
High-Capacity Poultry Refrigeration Tunnel for Industrial Use
INDUSTRIAL DESIGN · POULTRY REFRIGERATION TUNNEL

High-Capacity Poultry Refrigeration Tunnel for Industrial Use

.STEP
Free
Double Acting Radial Door Chute for Mining Applications
INDUSTRIAL DESIGN · DOUBLE ACTING RADIAL DOOR CHUTE

Double Acting Radial Door Chute for Mining Applications

.STEP
Free
Head Chute for Conveyor Belt in Hard Rock Underground Mining
INDUSTRIAL DESIGN · HEAD CHUTE

Head Chute for Conveyor Belt in Hard Rock Underground Mining

.STEP
Free
TO-3P 3-Pin Package for NPN, PNP, and MOSFET Transistors
ELECTRICAL · TO-3P

TO-3P 3-Pin Package for NPN, PNP, and MOSFET Transistors

.STEP
Free
PROMA Dust Collector CAD Model for Industrial Applications
INDUSTRIAL DESIGN · PROMA DUST COLLECTOR

PROMA Dust Collector CAD Model for Industrial Applications

.STEP
Free
Makita 18V LxT Battery Contact Clip CAD Model
ELECTRICAL · MAKITA 18V LXT

Makita 18V LxT Battery Contact Clip CAD Model

.STEP
Free
Efficient Heat Exchanger Design for Fluid Heat Transfer
ENERGY AND POWER · HEAT EXCHANGER

Efficient Heat Exchanger Design for Fluid Heat Transfer

.STEP
Free
Industrial Waste Incineration Equipment
CHEMICAL · INDUSTRIAL WASTE INCINERATION

Industrial Waste Incineration Equipment

.STEP
Free
Industrial Waste Container Model
INDUSTRIAL DESIGN · INDUSTRIAL WASTE CONTAINER

Industrial Waste Container Model

.STEP
Free
Terminal Series KLS8-01145 Electrical Connector
ELECTRICAL · TERMINAL SERIES KLS8-01145

Terminal Series KLS8-01145 Electrical Connector

.STEP