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
Durable Plastic Jerry Can for Water Storage
INDUSTRIAL DESIGN · WATER CAN 16

Durable Plastic Jerry Can for Water Storage

.STEP
Free
48-Inch Mini Fridge Stand 3D Model for Design
INDUSTRIAL DESIGN · 48 INCH MINI FRIDGE 1

48-Inch Mini Fridge Stand 3D Model for Design

.STEP
Free
Rectangular Hollow Section (RHS) Box Frame CAD Model
MACHINE DESIGN · FRAME RHS 1

Rectangular Hollow Section (RHS) Box Frame CAD Model

.STEP
Free
Piston and Crankshaft CAD Model for Mechanical Design
AUTOMOTIVE · PISTON

Piston and Crankshaft CAD Model for Mechanical Design

.STEP

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Variable Pullout Bed for MAN TGE with 2m x 1.71m Dimensions
AUTOMOTIVE · MAN TGE PULLOUT BED 1

Variable Pullout Bed for MAN TGE with 2m x 1.71m Dimensions

.STEP
Free
Vacuum Fan for Road Sweeper Truck - Efficient Cleaning Component
AUTOMOTIVE · VACUUM FAN

Vacuum Fan for Road Sweeper Truck - Efficient Cleaning Component

.STEP
Free
High-Quality Car Wheel CAD Model
AUTOMOTIVE · CAR WHEEL 154

High-Quality Car Wheel CAD Model

.STEP
Free
Cordless Android Auto Device - AAwireless2
3D PRINTING · AAWIRELESS TWO 1

Cordless Android Auto Device - AAwireless2

.STEP
Free
NOCO 110V Shore Power Pass-Through Connector
MARINE · NOCO 110V SHORE POWER CONNECTOR

NOCO 110V Shore Power Pass-Through Connector

.STEP
Free
Road Shock Edge 4-Bulb Light Model for Design Integration
AUTOMOTIVE · ROADSHOCK EDGE 4 BULB 1

Road Shock Edge 4-Bulb Light Model for Design Integration

.STEP
Free
Roadshock Edge 4 Bulb Model for Fusion 360
AUTOMOTIVE · ROADSHOCK EDGE 4 BULB 2

Roadshock Edge 4 Bulb Model for Fusion 360

.STEP
Free
Long Part Holder Shelf for Organized Storage
3D PRINTING · LONG PART HOLDER SHELF 1

Long Part Holder Shelf for Organized Storage

.STEP
Free
Vignesan - Professional CAD Model
3D PRINTING · VIGNESAN 2

Vignesan - Professional CAD Model

.STEP
Free
High-Quality Car Wheel CAD Model
AUTOMOTIVE · CAR WHEEL 3 1

High-Quality Car Wheel CAD Model

.STEP
Free
High-Quality Car Wheel CAD Model for Engineering and Design
AUTOMOTIVE · CAR WHEEL MODEL 4 1

High-Quality Car Wheel CAD Model for Engineering and Design

.STEP
Free
Hydraulic Cover for Dump Truck Project Model
AUTOMOTIVE · SCANIA P420

Hydraulic Cover for Dump Truck Project Model

.STEP
Free
Architectural Bracket for Structural Support
AUTOMOTIVE · BIW 01 CABIN REINFORCEMENT BRACKET 1

Architectural Bracket for Structural Support

.STEP
Free
Hydraulic Press for Forklift Tire Assembly and Disassembly
MACHINE DESIGN · HYDRAULIC PRESS

Hydraulic Press for Forklift Tire Assembly and Disassembly

.STEP
Free
Architectural Bracket for Structural Support
AUTOMOTIVE · SEAT LOCKING BRACKET

Architectural Bracket for Structural Support

.STEP
Free
Architectural Hood Bracket Design for Structural Support
AUTOMOTIVE · BIW 03 HOOD BRACKET 1

Architectural Hood Bracket Design for Structural Support

.STEP
Free
Architectural Bracket Model for Structural Support
AUTOMOTIVE · BIW 04 SEAT LH CROSS MEMBER 1

Architectural Bracket Model for Structural Support

.STEP
Free
Front Hood Closure System for Vehicle Body Attachment
AUTOMOTIVE · BIW 05 FRONT HOOD CLOSURE 1

Front Hood Closure System for Vehicle Body Attachment

.STEP