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
Oil Dispersion Cap for Root Application
CHEMICAL · OIL DISPERSION CAP

Oil Dispersion Cap for Root Application

.STEP
Free
Art Toy Model for Creative Design and Display
INDUSTRIAL DESIGN · ART TOY

Art Toy Model for Creative Design and Display

.STEP
Free
Industrial Mixer CAD Model for Engineering Applications
MACHINE DESIGN · INDUSTRIAL MIXER

Industrial Mixer CAD Model for Engineering Applications

.STEP
Free
Noise Reduction Inserts for Mobile Phone Microphone
ELECTRICAL · NOISE REDUCTION

Noise Reduction Inserts for Mobile Phone Microphone

.STEP

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Cute Toy with Turkish Flag Design
TOY DESIGN

Cute Toy with Turkish Flag Design

.STEP
Free
3D Printed Art Toy Model for Creative Design
3D PRINTING · 3D PRINTED

3D Printed Art Toy Model for Creative Design

.STEP
Free
Compact Security Barrier for Intruder Prevention
CONSTRUCTION · SECURITY BARRIER

Compact Security Barrier for Intruder Prevention

.STEP
Free
Oval Gear Mechanism for Flow Measurement Applications
MACHINE DESIGN · OVAL GEAR

Oval Gear Mechanism for Flow Measurement Applications

.STEP
Free
Allen-Bradley 3 Tongue Interlock Switch Key for 440K Series
INDUSTRIAL DESIGN · ALLEN-BRADLEY

Allen-Bradley 3 Tongue Interlock Switch Key for 440K Series

.STEP
Free
Liquid Reservoir Bottle CAD Model for Industrial Applications
INDUSTRIAL DESIGN · LIQUID RESERVOIR

Liquid Reservoir Bottle CAD Model for Industrial Applications

.STEP
Free
Industrial Storage Tank Design for Fluid Containment
CHEMICAL · INDUSTRIAL STORAGE TANK

Industrial Storage Tank Design for Fluid Containment

.STEP
Free
Compact Mini Sandpaper Machine for Precision Surface Finishing
MACHINE DESIGN · MINI SANDPAPER MACHINE

Compact Mini Sandpaper Machine for Precision Surface Finishing

.STEP
Free
USB C Male Connector Board Housing CAD Model
ELECTRICAL · USB-C CONNECTOR

USB C Male Connector Board Housing CAD Model

.STEP
Free
Corner Bracket for 2020 Aluminum Profile
MACHINE DESIGN · CORNER BRACKET

Corner Bracket for 2020 Aluminum Profile

.STEP
Free
Compact Adhesive Cable Clip for Small Cables
ELECTRICAL · CABLE MANAGEMENT

Compact Adhesive Cable Clip for Small Cables

.STEP
Free
Ergonomic Hand Grip with Integrated Command Switch
INDUSTRIAL DESIGN · ERGONOMIC

Ergonomic Hand Grip with Integrated Command Switch

.STEP
Free
Mobile Phone Holder CAD Model for Secure Mounting
INDUSTRIAL DESIGN · MOBILE PHONE HOLDER

Mobile Phone Holder CAD Model for Secure Mounting

.STEP
Free
Robotic Arm Planning Stage Alpha 1.0
ROBOTICS · ROBOTIC ARM

Robotic Arm Planning Stage Alpha 1.0

.STEP
Free
Pyramid Mobile Stand Made of ABS Plastic for Vertical and Horizontal Phone Support
INDUSTRIAL DESIGN · PYRAMID MOBILE STAND

Pyramid Mobile Stand Made of ABS Plastic for Vertical and Horizontal Phone Support

.STEP
Free
Precision Servo Motor for Accurate Position and Speed Control
ROBOTICS · SERVO MOTOR

Precision Servo Motor for Accurate Position and Speed Control

.STEP
Free
Aluminum Bracket for NEMA 17 Stepper Motor Support on 2020 Profile
MACHINE DESIGN · NEMA 17

Aluminum Bracket for NEMA 17 Stepper Motor Support on 2020 Profile

.STEP
Free
Compact Mini Case with GX12 Connector for 3D Printing
3D PRINTING · COMPACT MINI CASE

Compact Mini Case with GX12 Connector for 3D Printing

.STEP