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
AC Servo Motor with Brake HG-KR73B by Mitsubishi Electric
MACHINE DESIGN · AC SERVO MOTOR

AC Servo Motor with Brake HG-KR73B by Mitsubishi Electric

.STEP
Free
AC Servo Motor HG-KR73 by Mitsubishi Electric
ROBOTICS · AC SERVO MOTOR

AC Servo Motor HG-KR73 by Mitsubishi Electric

.STEP
Free
Compact Audio Player with Integrated Power Supply and SSD Storage
INDUSTRIAL DESIGN · COMPACT AUDIO PLAYER

Compact Audio Player with Integrated Power Supply and SSD Storage

.STEP
Free
Industrial Component Reference for Engineering Applications
MACHINE DESIGN · INDUSTRIAL COMPONENT

Industrial Component Reference for Engineering Applications

.STEP

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Knee Operated Paddle Switch CAD Model with Key Dimensions
INDUSTRIAL DESIGN · KNEE OPERATED SWITCH

Knee Operated Paddle Switch CAD Model with Key Dimensions

.STEP
Free
GTB6-DC30 Square Photoelectric Background Suppression Infrared Sensor
INDUSTRIAL DESIGN · GTB6-DC30

GTB6-DC30 Square Photoelectric Background Suppression Infrared Sensor

.STEP
Free
LJ18A3 M18 Inductive Proximity Sensor for Industrial Automation
INDUSTRIAL DESIGN · LJ18A3

LJ18A3 M18 Inductive Proximity Sensor for Industrial Automation

.STEP
Free
Electrical Switch with P27 Socket and Lamp 185
ELECTRICAL · ELECTRICAL SWITCH

Electrical Switch with P27 Socket and Lamp 185

.STEP
Free
HW-685 Industrial Current to Voltage Converter Module 3D Model
ELECTRICAL · HW-685

HW-685 Industrial Current to Voltage Converter Module 3D Model

.STEP
Free
Colored Panel Design CAD Model for Engineering Applications
INDUSTRIAL DESIGN · COLORED PANEL

Colored Panel Design CAD Model for Engineering Applications

.STEP
Free
Falleba Hinge PIN 12CD001 by Menbel - Industrial Hardware Component
MACHINE DESIGN · FALLEBA HINGE

Falleba Hinge PIN 12CD001 by Menbel - Industrial Hardware Component

.STEP
Free
TTGO T-Journal Development Board with OV2640 Camera and OLED Display
ELECTRICAL · TTGO T-JOURNAL

TTGO T-Journal Development Board with OV2640 Camera and OLED Display

.STEP
Free
OV2640 2MP Camera Module with 68° Field of View and 24-Pin DVP Interface
ROBOTICS · OV2640

OV2640 2MP Camera Module with 68° Field of View and 24-Pin DVP Interface

.STEP
Free
Protective Cover for M33x1.5 Threaded Connectors GOST 25930-83
MACHINE DESIGN · PROTECTIVE COVER

Protective Cover for M33x1.5 Threaded Connectors GOST 25930-83

.STEP
Free
Linear Actuator with 1150 mm Stroke and Right Motor XNTD22-BR-1150
MACHINE DESIGN · 1150 MM STROKE

Linear Actuator with 1150 mm Stroke and Right Motor XNTD22-BR-1150

.STEP
Free
Linear Actuator with 1150 mm Stroke and Left Motor XNTD22-BL-1150
MACHINE DESIGN · 1150 MM STROKE

Linear Actuator with 1150 mm Stroke and Left Motor XNTD22-BL-1150

.STEP
Free
FS-N18P ER2-22HP Optical Fiber Amplifier Sensor
INDUSTRIAL DESIGN · FS-N18P ER2-22HP

FS-N18P ER2-22HP Optical Fiber Amplifier Sensor

.STEP
Free
M12 E12-DS20 Diffused Photoelectric Sensor Industrial Component
INDUSTRIAL DESIGN · M12 E12-DS20

M12 E12-DS20 Diffused Photoelectric Sensor Industrial Component

.STEP
Free
M028N Power Control Unit for Resistive and Inductive Loads
ELECTRICAL · M028N

M028N Power Control Unit for Resistive and Inductive Loads

.STEP
Free
Corrected CYD Screen Model for Bambulab 3D Printer
3D PRINTING · CYD SCREEN

Corrected CYD Screen Model for Bambulab 3D Printer

.STEP
Free
Driver Motor Board PCB for Precise Motor Control in Electromechanical Systems
ELECTRICAL · DRIVER MOTOR BOARD

Driver Motor Board PCB for Precise Motor Control in Electromechanical Systems

.STEP
Free
German Fanal Electrical Contactor for Industrial Applications
ELECTRICAL · FANAL

German Fanal Electrical Contactor for Industrial Applications

.STEP