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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4-Inch Diameter 0-60 PSI Pressure Gauge with 1/4-Inch MNPT Bottom Connection, 304 Stainless Steel
INDUSTRIAL DESIGN · PRESSURE GAUGE

4-Inch Diameter 0-60 PSI Pressure Gauge with 1/4-Inch MNPT Bottom Connection, 304 Stainless Steel

.STEP
Free
Air Cooled Heatcraft Unit with Evaporator and Thermostat 460V 3-Phase 60Hz
ENERGY AND POWER · HEATCRAFT

Air Cooled Heatcraft Unit with Evaporator and Thermostat 460V 3-Phase 60Hz

.STEP
Free
3D Model of a Bottle for Engineering Applications
INDUSTRIAL DESIGN · BOTTLE

3D Model of a Bottle for Engineering Applications

.STEP
Free
Ball Socket Swivel Fitting for Air Hose with 360° Rotation and 40° Gimbal
INDUSTRIAL DESIGN · BALL SOCKET SWIVEL FITTING

Ball Socket Swivel Fitting for Air Hose with 360° Rotation and 40° Gimbal

.STEP

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Porcelain Luster Clamp Connector for Electrical Applications
ELECTRICAL · PORCELAIN LUSTER CLAMP

Porcelain Luster Clamp Connector for Electrical Applications

.STEP
Free
90 Degree Brass Elbow with 3/8" MNPT Threaded Ends
INDUSTRIAL DESIGN · 90 DEGREE ELBOW

90 Degree Brass Elbow with 3/8" MNPT Threaded Ends

.STEP
Free
Mobile Mechanical Energy Storage Device for Renewable Power Applications
ENERGY AND POWER · MECHANICAL ENERGY STORAGE

Mobile Mechanical Energy Storage Device for Renewable Power Applications

.STEP
Free
Brass 90 Degree Elbow with 3/8 Inch Male Pipe Thread and Ferrule
INDUSTRIAL DESIGN · BRASS 90 DEGREE ELBOW

Brass 90 Degree Elbow with 3/8 Inch Male Pipe Thread and Ferrule

.STEP
Free
Electric Burner Gas and Water Inlet Assembly with Drain Connections
ENERGY AND POWER · ELECTRIC BURNER

Electric Burner Gas and Water Inlet Assembly with Drain Connections

.STEP
Free
MUNDORF L140 Inductor 0.56mH Body 3020
ELECTRICAL · MUNDORF L140

MUNDORF L140 Inductor 0.56mH Body 3020

.STEP
Free
RF Power Meter 0.1-600 MHz with -75 dBm to +16 dBm Range
ELECTRICAL · RF POWER METER

RF Power Meter 0.1-600 MHz with -75 dBm to +16 dBm Range

.STEP
Free
Digital Battery Motor Controller for EC and AC Servo Motors
ELECTRICAL · DIGITAL MOTOR CONTROLLER

Digital Battery Motor Controller for EC and AC Servo Motors

.STEP
Free
AC Power Socket Industrial Component
ELECTRICAL · AC POWER SOCKET

AC Power Socket Industrial Component

.STEP
Free
Small Windmill with 950mm Diameter Featuring FX 66S-196 V1 Airfoil
ENERGY AND POWER · SMALL WINDMILL

Small Windmill with 950mm Diameter Featuring FX 66S-196 V1 Airfoil

.STEP
Free
High Pressure Hose Clamp for Inch-Sized Hoses
INDUSTRIAL DESIGN · HIGH PRESSURE HOSE CLAMP

High Pressure Hose Clamp for Inch-Sized Hoses

.STEP
Free
Pneumatic Clamp for JUFAN JHFSL6300X0 Conveyor
INDUSTRIAL DESIGN · PNEUMATIC CLAMP

Pneumatic Clamp for JUFAN JHFSL6300X0 Conveyor

.STEP
Free
Pneumatic Clamp for JUFAN AMK2-SD-L-1290 Conveyor
INDUSTRIAL DESIGN · PNEUMATIC CLAMP

Pneumatic Clamp for JUFAN AMK2-SD-L-1290 Conveyor

.STEP
Free
IP67 Hinged Plastic Enclosures with Transparent Covers and Wall Mounting Accessories
ELECTRICAL · IP67

IP67 Hinged Plastic Enclosures with Transparent Covers and Wall Mounting Accessories

.STEP
Free
Compact ABS Enclosures in Light Gray and Black with Sticker Pools
ELECTRICAL · ABS ENCLOSURES

Compact ABS Enclosures in Light Gray and Black with Sticker Pools

.STEP
Free
Vertical Tensioner for 65mm Cable or Power Chain
MACHINE DESIGN · VERTICAL TENSIONER

Vertical Tensioner for 65mm Cable or Power Chain

.STEP
Free
Contactor S-T12 VS with Additional Terminal Block UT-AX2 by Mitsubishi Electric
ELECTRICAL · CONTACTOR S-T12 VS

Contactor S-T12 VS with Additional Terminal Block UT-AX2 by Mitsubishi Electric

.STEP
Free
Single Electro Magnet Series SCHUNK - Industrial Electromagnetic Component
INDUSTRIAL DESIGN · ELECTROMAGNET

Single Electro Magnet Series SCHUNK - Industrial Electromagnetic Component

.STEP