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
80mm Brushless DC Fan Sunon KDE1208PTB2 with 12V Rating
ELECTRICAL · BRUSHLESS DC FAN

80mm Brushless DC Fan Sunon KDE1208PTB2 with 12V Rating

.STEP
Free
Industrial Cooling Box for Thermal Management
INDUSTRIAL DESIGN · COOLING BOX

Industrial Cooling Box for Thermal Management

.STEP
Free
Nicotra AT12-9 Centrifugal Fan for HVAC Applications
INDUSTRIAL DESIGN · NICOTRA AT12-9

Nicotra AT12-9 Centrifugal Fan for HVAC Applications

.STEP
Free
Emergency Diesel Generator with Soundproof Canopy and MTU 20V4000G20 Engine
ENERGY AND POWER · EMERGENCY DIESEL GENERATOR

Emergency Diesel Generator with Soundproof Canopy and MTU 20V4000G20 Engine

.STEP

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4 Channel ESP8266 Relay Module for Remote Control Applications
ELECTRICAL · ESP8266

4 Channel ESP8266 Relay Module for Remote Control Applications

.STEP
Free
Metaltex SM MP Datasheet and Technical Specifications
INDUSTRIAL DESIGN · METALTEX SM MP

Metaltex SM MP Datasheet and Technical Specifications

.STEP
Free
Solar Battery 123Ah - High Capacity Energy Storage
ENERGY AND POWER · SOLAR BATTERY

Solar Battery 123Ah - High Capacity Energy Storage

.STEP
Free
Metaltex DL7A Component Datasheet Overview
INDUSTRIAL DESIGN · METALTEX DL7A

Metaltex DL7A Component Datasheet Overview

.STEP
Free
Coin Cell Battery Holder for 20mm Cells
ELECTRICAL · COIN CELL BATTERY HOLDER

Coin Cell Battery Holder for 20mm Cells

.STEP
Free
Industrial Metaltex IL10 Component Datasheet
INDUSTRIAL DESIGN · METALTEX IL10

Industrial Metaltex IL10 Component Datasheet

.STEP
Free
Metaltex Industrial Components Datasheets Collection
INDUSTRIAL DESIGN · METALTEX

Metaltex Industrial Components Datasheets Collection

.STEP
Free
Unperforated DIN Rail 35x7.5 for Industrial Mounting
ELECTRICAL · DIN RAIL

Unperforated DIN Rail 35x7.5 for Industrial Mounting

.STEP
Free
Detailed Distillation Tower Model with Stress Analysis for Oil and Gas Refinery
CHEMICAL · DISTILLATION TOWER

Detailed Distillation Tower Model with Stress Analysis for Oil and Gas Refinery

.STEP
Free
Double American-Style Electrical Outlet with Grounding Pin
ELECTRICAL · DOUBLE ELECTRICAL OUTLET

Double American-Style Electrical Outlet with Grounding Pin

.STEP
Free
Aluminum DIN Rail 35mm Wide for Electrical Component Mounting
ELECTRICAL · DIN RAIL

Aluminum DIN Rail 35mm Wide for Electrical Component Mounting

.STEP
Free
Brass Step Down Fitting with 1/2" to 1/4" Male NPT Threads
INDUSTRIAL DESIGN · BRASS STEP DOWN FITTING

Brass Step Down Fitting with 1/2" to 1/4" Male NPT Threads

.STEP
Free
Engineering Study Analysis 5
MACHINE DESIGN · ENGINEERING STUDY

Engineering Study Analysis 5

.STEP
Free
3/8 Inch Offset Hanging Bracket for 1 Inch Aluminum Extrusions
MACHINE DESIGN · OFFSET HANGING BRACKET

3/8 Inch Offset Hanging Bracket for 1 Inch Aluminum Extrusions

.STEP
Free
AFAG IRG1MS Actuator Control Panel
INDUSTRIAL DESIGN · AFAG IRG1MS

AFAG IRG1MS Actuator Control Panel

.STEP
Free
Professional Engineering Designs Collection
MACHINE DESIGN · ENGINEERING DESIGN

Professional Engineering Designs Collection

.STEP
Free
Industrial Ventilator Model Reference 33562
INDUSTRIAL DESIGN · INDUSTRIAL VENTILATOR

Industrial Ventilator Model Reference 33562

.STEP
Free
Engineering Study Model 9
MACHINE DESIGN · ENGINEERING STUDY MODEL 9

Engineering Study Model 9

.STEP