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
Non-Metallic Conduit DN17 - Industrial Cable Protection
ELECTRICAL · NON-METALLIC CONDUIT

Non-Metallic Conduit DN17 - Industrial Cable Protection

.STEP
Free
Non-Metallic Conduit DN23 CAD Model
ELECTRICAL · NON-METALLIC CONDUIT

Non-Metallic Conduit DN23 CAD Model

.STEP
Free
Non-Metallic Conduit DN29 CAD Model
ELECTRICAL · NON-METALLIC CONDUIT

Non-Metallic Conduit DN29 CAD Model

.STEP
Free
Non-Metallic DN12 Conduit Pipe Model
ELECTRICAL · NON-METALLIC CONDUIT

Non-Metallic DN12 Conduit Pipe Model

.STEP

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Non-Metallic DN10 Conduit Model with 12.8 x 9.0 Dimensions
ELECTRICAL · NON-METALLIC CONDUIT

Non-Metallic DN10 Conduit Model with 12.8 x 9.0 Dimensions

.STEP
Free
Incomplete Assembly with Selected Components
MACHINE DESIGN · ASSEMBLY

Incomplete Assembly with Selected Components

.STEP
Free
12V DC Coaxial Motor Actuator with 30mm Rod Length
ROBOTICS · 12V DC ACTUATOR

12V DC Coaxial Motor Actuator with 30mm Rod Length

.STEP
Free
Linear Actuator with 1200 mm Stroke and Bottom Motor XNTD22-BM-1200
MACHINE DESIGN · 1200 MM STROKE

Linear Actuator with 1200 mm Stroke and Bottom Motor XNTD22-BM-1200

.STEP
Free
Air600E LTE Cat.1 bis Communication Module by Hezhou
ELECTRICAL · AIR600E

Air600E LTE Cat.1 bis Communication Module by Hezhou

.STEP
Free
Lenovo Thunderbolt 3 Essential Dock CAD Model
ELECTRICAL · LENOVO THUNDERBOLT 3 ESSENTIAL DOCK

Lenovo Thunderbolt 3 Essential Dock CAD Model

.STEP
Free
AVAR 3832.3710 Switch Component
ELECTRICAL · AVAR 3832.3710

AVAR 3832.3710 Switch Component

.STEP
Free
Air700EL Peanut 4G Communication Module
ELECTRICAL · AIR700EL PEANUT

Air700EL Peanut 4G Communication Module

.STEP
Free
Female Connector Component for Mechanical Assemblies
MACHINE DESIGN · FEMALE CONNECTOR

Female Connector Component for Mechanical Assemblies

.STEP
Free
1-Wire Expander Module for Immersion Cooling Systems
ELECTRICAL · 1-WIRE EXPANDER MODULE

1-Wire Expander Module for Immersion Cooling Systems

.STEP
Free
IDC 10-Pin 2-Row 2.54mm Pitch PCB Mount Connector
ELECTRICAL · IDC CONNECTOR

IDC 10-Pin 2-Row 2.54mm Pitch PCB Mount Connector

.STEP
Free
2.54mm 4-Pin Male and Female Connector Models with Mounting Ears
ELECTRICAL · 2.54MM PITCH

2.54mm 4-Pin Male and Female Connector Models with Mounting Ears

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

3D CAD Model for Mechanical Component

.STEP
Free
Hakko Flush Diagonal Cutters CAD Model with Precise Dimensions
ELECTRICAL · HAKKO

Hakko Flush Diagonal Cutters CAD Model with Precise Dimensions

.STEP
Free
SOIC 10 Package Current Sensor with 1 Channel and 1.27 mm Pitch
ELECTRICAL · SOIC10

SOIC 10 Package Current Sensor with 1 Channel and 1.27 mm Pitch

.STEP
Free
XDFN4 Package Electronic Component Models from TI and Toshiba
ELECTRICAL · XDFN4

XDFN4 Package Electronic Component Models from TI and Toshiba

.STEP
Free
Custom Subwoofer Enclosure for Second Gen Mazdaspeed 3
AUTOMOTIVE · SUBWOOFER ENCLOSURE

Custom Subwoofer Enclosure for Second Gen Mazdaspeed 3

.STEP
Free
64-Pin Connector Models CONNFLY_96MacR_Ne09 and CONNFLY_96FacV_Ne09
ELECTRICAL · 64-PIN CONNECTOR

64-Pin Connector Models CONNFLY_96MacR_Ne09 and CONNFLY_96FacV_Ne09

.STEP