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
RUBRUKS CL3-2C CAN-Logger Module for High-Speed CAN Bus Data Recording
AUTOMOTIVE · CAN-LOGGER

RUBRUKS CL3-2C CAN-Logger Module for High-Speed CAN Bus Data Recording

.STEP
Free
RUBRUKS STDU-360 Electric Traction Drive Unit for Electric and Hybrid Vehicles
AUTOMOTIVE · RUBRUKS STDU-360

RUBRUKS STDU-360 Electric Traction Drive Unit for Electric and Hybrid Vehicles

.STEP
Free
Low Bed Semi-Trailer with Curtain and Axis Control
AUTOMOTIVE · LOW BED SEMI-TRAILER

Low Bed Semi-Trailer with Curtain and Axis Control

.STEP
Free
Airbus A400M ATLAS Detailed Aircraft Design Project
AEROSPACE · AIRBUS A400M ATLAS

Airbus A400M ATLAS Detailed Aircraft Design Project

.STEP

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North American B-25 Mitchell Medium Bomber 3D Model
AVIATION · NORTH AMERICAN B-25 MITCHELL

North American B-25 Mitchell Medium Bomber 3D Model

.STEP
Free
Automotive Design Model Created with Fusion 360
AUTOMOTIVE · FUSION 360

Automotive Design Model Created with Fusion 360

.STEP
Free
Airbus A400M Atlas Detailed Aircraft Design Project
AEROSPACE · AIRBUS A400M

Airbus A400M Atlas Detailed Aircraft Design Project

.STEP
Free
Moto Glider CAD Model for Engineering and Design
AEROSPACE · MOTO GLIDER

Moto Glider CAD Model for Engineering and Design

.STEP
Free
Falcon Rocket by SpaceX - Aerospace Engineering Model
AEROSPACE · FALCON ROCKET

Falcon Rocket by SpaceX - Aerospace Engineering Model

.STEP
Free
High-Quality Automotive Class A, B, and C Surfaces for Industrial Design
AUTOMOTIVE · CLASS A SURFACES

High-Quality Automotive Class A, B, and C Surfaces for Industrial Design

.STEP
$100
LADDER FRAME CHASSIS WITH MOUNTINGS || NX SIEMENS
AUTOMOTIVE · DESIGN

LADDER FRAME CHASSIS WITH MOUNTINGS || NX SIEMENS

.STL
$30
Outdoor Indutrial CAM | Special Purpose cameras
INDUSTRIAL DESIGN · DESIGN

Outdoor Indutrial CAM | Special Purpose cameras

.STP
$5
8 inches ALLOY WHEEL | HIGH QUALITY MODEL
AUTOMOTIVE · SOLIDWORKS

8 inches ALLOY WHEEL | HIGH QUALITY MODEL

.STEP
$5
High-Strength Ergonomic Go-Kart Steering Wheel
AUTOMOTIVE · SOLIDWORKS

High-Strength Ergonomic Go-Kart Steering Wheel

.STP
Free
High-Performance Front Steering Knuckle and Spindle Assembly
AUTOMOTIVE · CAD

High-Performance Front Steering Knuckle and Spindle Assembly

.STP
$5
Screenshot 2026-01-17 145653.png
MACHINE DESIGN · CAD

crowd barrier drawing with 3d Cad file

.DWG.PNG
$15
Screenshot 2026-01-17 145823.png
ARCHITECTURE · CAD FOR FURNITURE

3D AutoCAD Chair Model With All Details.

.DWG.PNG
$5
Screenshot 2026-01-17 150008.png
ARCHITECTURE · CAD

The railing model will include precise dimensions, proper alignment, and realistic detailing as per

.DWG.PNG
$18
EXHAUST
AUTOMOTIVE

EXHAUST

.IGS
$22
DODGE HOOD
AUTOMOTIVE

DODGE HOOD

.IGS
$32
BRAKE CALIPER
AUTOMOTIVE

BRAKE CALIPER

.STL
$22
HELICAL GEAR
AUTOMOTIVE

HELICAL GEAR

.STL