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
Metal Sheet Enclosure for XPPower Power Supply
ELECTRICAL · METAL SHEET ENCLOSURE

Metal Sheet Enclosure for XPPower Power Supply

.STEP
Free
Sixteen-Channel Power Supply Module for Programmable Sensors in Conveyor and Robotic Systems
ROBOTICS · POWER SUPPLY MODULE

Sixteen-Channel Power Supply Module for Programmable Sensors in Conveyor and Robotic Systems

.STEP
Free
Toyota Land Cruiser J70 Detailed CAD Assembly and Parts
AUTOMOTIVE · TOYOTA LAND CRUISER J70

Toyota Land Cruiser J70 Detailed CAD Assembly and Parts

.STEP
Free
Brass Reducing Threaded Bushing with 3/4" Male and 3/8" Female Pipe Threads
INDUSTRIAL DESIGN · BRASS BUSHING

Brass Reducing Threaded Bushing with 3/4" Male and 3/8" Female Pipe Threads

.STEP

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Free
Base Frame for Dayton PTO Generator Model 6NN44
ENERGY AND POWER · BASE FRAME

Base Frame for Dayton PTO Generator Model 6NN44

.STEP
Free
65 kV Electrical Bushing with Accumulator and Insulation
ELECTRICAL · 65 KV

65 kV Electrical Bushing with Accumulator and Insulation

.STEP
Free
Trapezoidal Belt Pulley with 3 Belts, 220mm Diameter
MACHINE DESIGN · TRAPEZOIDAL BELT PULLEY

Trapezoidal Belt Pulley with 3 Belts, 220mm Diameter

.STEP
Free
Waveguide to Coaxial Adapter HD-100WCASKPA 8.2-12.4GHz
ELECTRICAL · WAVEGUIDE

Waveguide to Coaxial Adapter HD-100WCASKPA 8.2-12.4GHz

.STEP
Free
12 Volt DC Hydraulic Unit
INDUSTRIAL DESIGN · 12 VOLT DC HYDRAULIC UNIT

12 Volt DC Hydraulic Unit

.STEP
Free
12V to 5V Lynx Distributor LED Power Cable with RJ10 Connector
ELECTRICAL · 12V TO 5V POWER CABLE

12V to 5V Lynx Distributor LED Power Cable with RJ10 Connector

.STEP
Free
High Voltage Power Transformer CAD Model
ELECTRICAL · HIGH VOLTAGE TRANSFORMER

High Voltage Power Transformer CAD Model

.STEP
Free
Hirschmann STASI 2 Safety Bracket - Industrial Connector Accessory
INDUSTRIAL DESIGN · HIRSCHMANN STASI 2

Hirschmann STASI 2 Safety Bracket - Industrial Connector Accessory

.STEP
Free
Battery Management System (BMS) CPU Model with Accurate Mounting Dimensions
ENERGY AND POWER · BATTERY MANAGEMENT SYSTEM

Battery Management System (BMS) CPU Model with Accurate Mounting Dimensions

.STEP
Free
Electronic Power Supply Bivolt 6V 3A with P4 Connector
ELECTRICAL · POWER SUPPLY

Electronic Power Supply Bivolt 6V 3A with P4 Connector

.STEP
Free
AC-DC Industrial DIN Rail Power Supply 12V 1.25A with Plastic T-Shape Case
ELECTRICAL · AC-DC POWER SUPPLY

AC-DC Industrial DIN Rail Power Supply 12V 1.25A with Plastic T-Shape Case

.STEP
Free
100 Liter Storage Tank CAD Model
INDUSTRIAL DESIGN · 100 LITER STORAGE TANK

100 Liter Storage Tank CAD Model

.STEP
Free
Pneumatic Hydraulic Gear Pump for Hazardous Environments
INDUSTRIAL DESIGN · PNEUMATIC HYDRAULIC GEAR PUMP

Pneumatic Hydraulic Gear Pump for Hazardous Environments

.STEP
Free
Specialized Engineering Component from Facebook Projects
MACHINE DESIGN · SPECIALIZED ENGINEERING COMPONENT

Specialized Engineering Component from Facebook Projects

.STEP
Free
Raspberry Pi UPS Module Geekworm X728 V2.0 CAD Model
ELECTRICAL · RASPBERRY PI

Raspberry Pi UPS Module Geekworm X728 V2.0 CAD Model

.STEP
Free
Low Pressure Steam Turbine Assembly with Rotor and Stator Components
ENERGY AND POWER · LOW PRESSURE STEAM TURBINE

Low Pressure Steam Turbine Assembly with Rotor and Stator Components

.STEP
Free
Curved Surface Drilling Fixture and Jig for Shroud Assembly
MACHINE DESIGN · CURVED SURFACE DRILLING FIXTURE

Curved Surface Drilling Fixture and Jig for Shroud Assembly

.STEP
Free
Concept Design of 15000kW Electric Motor for Pulling In and Out Applications
ENERGY AND POWER · 15000KW ELECTRIC MOTOR

Concept Design of 15000kW Electric Motor for Pulling In and Out Applications

.STEP