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
THETFORD Portapotti 335 Portable Toilet Model
THETFORD PORTAPOTTI 335

THETFORD Portapotti 335 Portable Toilet Model

.STEP
Free
Thetford Triplex 1 Assembly Model
MACHINE DESIGN · THETFORD TRIPLEX 1

Thetford Triplex 1 Assembly Model

.STEP
Free
Y Connector 2x30mm to 40mm for Washing Machine
CONSTRUCTION · Y CONNECTOR

Y Connector 2x30mm to 40mm for Washing Machine

.STEP
Free
Rotating Water Jet Cleaning Machine for Industrial Use
INDUSTRIAL DESIGN · ROTATING WATER JET

Rotating Water Jet Cleaning Machine for Industrial Use

.STEP

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Free
Fish Cleaning Machine for Efficient Basket Washing
INDUSTRIAL DESIGN · FISH CLEANING MACHINE

Fish Cleaning Machine for Efficient Basket Washing

.STEP
Free
Gear Cleaning Machine Design for Hydraulic System Maintenance
MACHINE DESIGN · GEAR CLEANING MACHINE

Gear Cleaning Machine Design for Hydraulic System Maintenance

.STEP
Free
Adapter for Elegoo Mars 5 Ultra Build Plate to Elegoo Mercury X Washing Machine
3D PRINTING · ELEGOO MARS 5 ULTRA

Adapter for Elegoo Mars 5 Ultra Build Plate to Elegoo Mercury X Washing Machine

.STEP
Free
Arduino Motor Shield for Driving DC and Stepper Motors
ROBOTICS · ARDUINO MOTOR SHIELD

Arduino Motor Shield for Driving DC and Stepper Motors

.STEP
Free
High-Precision Stepper Motor Model 17HS5415P1-X6-1
ROBOTICS · 17HS5415P1-X6-1

High-Precision Stepper Motor Model 17HS5415P1-X6-1

.STEP
Free
2-Axis Vacuum Gantry System for Automated Pick & Place Applications
ROBOTICS · 2-AXIS GANTRY

2-Axis Vacuum Gantry System for Automated Pick & Place Applications

.STEP
Free
5V DC Stepper Motor Model for Robotic Applications
ROBOTICS · 5V DC STEPPER MOTOR

5V DC Stepper Motor Model for Robotic Applications

.STEP
Free
Simple Pulley and Belt Drive Mechanism for Cost-Effective Prototyping
MACHINE DESIGN · PULLEY

Simple Pulley and Belt Drive Mechanism for Cost-Effective Prototyping

.STEP
Free
DIN Rail Stand with 120V Receptacle for Modular Electronics Projects
ELECTRICAL · DIN RAIL STAND

DIN Rail Stand with 120V Receptacle for Modular Electronics Projects

.STEP
Free
Compact Heat Sink for Stepper Motor Drivers
ELECTRICAL · HEAT SINK

Compact Heat Sink for Stepper Motor Drivers

.STEP
Free
Compact Scissor Lift Platform with Lead Screw Drive
MACHINE DESIGN · SCISSOR LIFT

Compact Scissor Lift Platform with Lead Screw Drive

.STEP
Free
Adjustable NEMA 17 Stepper Motor Mounting Bracket for CNC and 3D Printing
ROBOTICS · NEMA 17

Adjustable NEMA 17 Stepper Motor Mounting Bracket for CNC and 3D Printing

.STEP
Free
Directed Air Cooling Channel for Stepper Motor Drivers on MKS Gen L V1.0 Board
ELECTRICAL · DIRECTED AIR COOLING CHANNEL

Directed Air Cooling Channel for Stepper Motor Drivers on MKS Gen L V1.0 Board

.STEP
Free
High-Strength NEMA 23 Stepper Motor Mounting Bracket for CNC and 3D Printers
ROBOTICS · NEMA 23

High-Strength NEMA 23 Stepper Motor Mounting Bracket for CNC and 3D Printers

.STEP
Free
10A 80VDC Stepper Motor Driver by Lin Engineering
ROBOTICS · 10A 80VDC STEPPER MOTOR DRIVER

10A 80VDC Stepper Motor Driver by Lin Engineering

.STEP
Free
Nema17 Stepper Motor for Precision Motion Control
ROBOTICS · NEMA17

Nema17 Stepper Motor for Precision Motion Control

.STEP
Free
NEMA 14x23mm Stepper Motor Model
ROBOTICS · NEMA 14X23MM

NEMA 14x23mm Stepper Motor Model

.STEP
Free
NEMA 17 Stepper Motor 48mm - Precision Motor for Automation
ROBOTICS · NEMA 17

NEMA 17 Stepper Motor 48mm - Precision Motor for Automation

.STEP