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
Planetary Gear AC Servo Motor HK-KR23G1_12 with Gear Ratio 12
MACHINE DESIGN · PLANETARY GEAR

Planetary Gear AC Servo Motor HK-KR23G1_12 with Gear Ratio 12

.STEP
Free
Induction Coil Base CAD Model for Industrial Applications
INDUSTRIAL DESIGN · INDUCTION COIL BASE

Induction Coil Base CAD Model for Industrial Applications

.STEP
Free
PB86-A2 Red and Green LED 8-Pin Momentary SPDT Square Push Button Switch
ELECTRICAL · PB86-A2

PB86-A2 Red and Green LED 8-Pin Momentary SPDT Square Push Button Switch

.STEP
Free
Technical Research References for Sensor and Measurement Technologies
SENSOR TECHNOLOGY

Technical Research References for Sensor and Measurement Technologies

.STEP

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Connector Housing for G Size Speakon STX Series
ELECTRICAL · CONNECTOR HOUSING

Connector Housing for G Size Speakon STX Series

.STEP
Free
Adapter Plate for D-Type Connectors in G-Type BoXo Mini
ELECTRICAL · ADAPTER PLATE

Adapter Plate for D-Type Connectors in G-Type BoXo Mini

.STEP
Free
Schneider PLC CAD Model with Detailed Coloring
ELECTRICAL · PLC

Schneider PLC CAD Model with Detailed Coloring

.STEP
Free
Schneider HMI Detailed Colored DWG Model
ELECTRICAL · SCHNEIDER HMI

Schneider HMI Detailed Colored DWG Model

.STEP
Free
Decorative Ceiling Light Model
ARCHITECTURE · CEILING LIGHT

Decorative Ceiling Light Model

.STEP
Free
Double Row Female SMD Pin Header 2.54mm Pitch with 2-80 Pins
ELECTRICAL · DOUBLE ROW FEMALE SMD PIN HEADER

Double Row Female SMD Pin Header 2.54mm Pitch with 2-80 Pins

.STEP
Free
Precise 3D Model of PMW3901 Optical Flow Sensor with Casings and Board
ROBOTICS · PMW3901

Precise 3D Model of PMW3901 Optical Flow Sensor with Casings and Board

.STEP
Free
PK 30x16 Ferrite Core Inductor
ELECTRICAL · PK 30X16

PK 30x16 Ferrite Core Inductor

.STEP
Free
Micro USB-C Connector Design on PCB with Real Dimensions
ELECTRICAL · MICRO USB-C CONNECTOR

Micro USB-C Connector Design on PCB with Real Dimensions

.STEP
Free
Power Supply Unit MW JB S-350-36 Industrial Component
ELECTRICAL · POWER SUPPLY UNIT

Power Supply Unit MW JB S-350-36 Industrial Component

.STEP
Free
Compact Repairable Scanner and Tablet with ASROCK Z87E-ITX Motherboard
INDUSTRIAL DESIGN · COMPACT SCANNER

Compact Repairable Scanner and Tablet with ASROCK Z87E-ITX Motherboard

.STEP
Free
12V Flush Mount Dual USB Socket Assembly
ELECTRICAL · 12V

12V Flush Mount Dual USB Socket Assembly

.STEP
Free
12V Large Battery Box CAD Model for Industrial Applications
ELECTRICAL · 12V BATTERY BOX

12V Large Battery Box CAD Model for Industrial Applications

.STEP
Free
12V Cooling Fan for Recreational Vehicles
AUTOMOTIVE · 12V COOLING FAN

12V Cooling Fan for Recreational Vehicles

.STEP
Free
3D Model of TO-3PFM Package for Semiconductor Devices
ELECTRICAL · TO-3PFM

3D Model of TO-3PFM Package for Semiconductor Devices

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

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

.STEP
Free
Mounting Plate 3PS19-16 OST 107.680225.001-86 Industrial Component
INDUSTRIAL DESIGN · MOUNTING PLATE

Mounting Plate 3PS19-16 OST 107.680225.001-86 Industrial Component

.STEP
Free
Linear Actuator with 1150 mm Stroke and Bottom Motor
MACHINE DESIGN · 1150 MM STROKE

Linear Actuator with 1150 mm Stroke and Bottom Motor

.STEP