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.

All collections
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
Industrial Robot Equipped with Dual Gripper Tools
ROBOTICS · INDUSTRIAL ROBOT

Industrial Robot Equipped with Dual Gripper Tools

.STEP
Free
12mm Green Push Button IC184-PBS-33B-DC184 Industrial Switch
ELECTRICAL · PUSH BUTTON SWITCH

12mm Green Push Button IC184-PBS-33B-DC184 Industrial Switch

.STEP
Free
Scaled Model of a Real Badge Based on Precise Measurements
INDUSTRIAL DESIGN · SCALED MODEL

Scaled Model of a Real Badge Based on Precise Measurements

.STEP
Free
Custom Badge Design with Precise Dimensions
INDUSTRIAL DESIGN · CUSTOM BADGE

Custom Badge Design with Precise Dimensions

.STEP

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Free
Single-Pole Electromagnetic Relay CAD Model
ELECTRICAL · SINGLE-POLE ELECTROMAGNETIC RELAY

Single-Pole Electromagnetic Relay CAD Model

.STEP
Free
6x6mm Mini Push Button Switch with 4 Arms
ELECTRICAL · PUSH BUTTON SWITCH

6x6mm Mini Push Button Switch with 4 Arms

.STEP
Free
Micro DC Motors for Automotive, Home Automation, and Consumer Electronics
AUTOMOTIVE · MICRO DC MOTOR

Micro DC Motors for Automotive, Home Automation, and Consumer Electronics

.STEP
Free
Folding Rotor Head for VTOL Flying Cars with Enhanced Stability
AVIATION · FOLDING ROTOR HEAD

Folding Rotor Head for VTOL Flying Cars with Enhanced Stability

.STEP
Free
Industrial Bearing Component
MACHINE DESIGN · BEARING

Industrial Bearing Component

.STEP
Free
Rear Shock Assembly for 2000 Aprilia RSV Mille R Motorcycle
AUTOMOTIVE · REAR SHOCK ASSEMBLY

Rear Shock Assembly for 2000 Aprilia RSV Mille R Motorcycle

.STEP
Free
Tri-Wheel Bicycle Assembly with Dual Front Wheels
AUTOMOTIVE · TRI-WHEEL BICYCLE

Tri-Wheel Bicycle Assembly with Dual Front Wheels

.STEP
Free
Pimoroni COM0801 Micro Metal Gearmotor 298:1 3D Model
ROBOTICS · PIMORONI COM0801

Pimoroni COM0801 Micro Metal Gearmotor 298:1 3D Model

.STEP
Free
Chassis Structural Component
AUTOMOTIVE · CHASSIS

Chassis Structural Component

.STEP
Free
Drive and Suspension System Assembly
AUTOMOTIVE · DRIVE SYSTEM

Drive and Suspension System Assembly

.STEP
Free
Mechanical Engineering Project Model
MACHINE DESIGN · MECHANICAL ENGINEERING

Mechanical Engineering Project Model

.STEP
Free
Precision Ball Bearing for Mechanical Applications
MACHINE DESIGN · BALL BEARING

Precision Ball Bearing for Mechanical Applications

.STEP
Free
Detailed Mechanical Component with Integrated Markings
MACHINE DESIGN · MECHANICAL COMPONENT

Detailed Mechanical Component with Integrated Markings

.STEP
Free
Dual PC Fan Mount and Cover for Skar RP-1200 Amplifier Cooling
ELECTRICAL · FAN MOUNT

Dual PC Fan Mount and Cover for Skar RP-1200 Amplifier Cooling

.STEP
Free
Block for Preheater F5.3722.003-07 BPR-5-4.06
INDUSTRIAL DESIGN · PREHEATER BLOCK

Block for Preheater F5.3722.003-07 BPR-5-4.06

.STEP
Free
35 Teeth Sprocket for Mechanical Systems
MACHINE DESIGN · 35 TEETH SPROCKET

35 Teeth Sprocket for Mechanical Systems

.STEP
Free
Center Console Design for Automotive Interiors
AUTOMOTIVE · CENTER CONSOLE

Center Console Design for Automotive Interiors

.STEP
Free
BMS Daly Brand 20S 100A Battery Management System with NTC Connector
ENERGY AND POWER · BMS DALY BRAND 20S 100A

BMS Daly Brand 20S 100A Battery Management System with NTC Connector

.STEP