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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3.2-Inch TFT LCD Module with ILI9341 Driver and 320x240 Resolution
ELECTRICAL · 3.2-INCH TFT LCD MODULE

3.2-Inch TFT LCD Module with ILI9341 Driver and 320x240 Resolution

.STEP
Free
Openluat Air780EX Module Overview
ELECTRICAL · OPENLUAT AIR780EX

Openluat Air780EX Module Overview

.STEP
Free
7 Inch HDMI LCD Display 1024x600 for Robotics Projects
ROBOTICS · 7 INCH HDMI LCD DISPLAY

7 Inch HDMI LCD Display 1024x600 for Robotics Projects

.STEP
Free
16-Channel 12-Bit Servo Driver HAT Shield Board for Raspberry Pi
ROBOTICS · 16-CHANNEL SERVO DRIVER

16-Channel 12-Bit Servo Driver HAT Shield Board for Raspberry Pi

.STEP

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Harness Clamping Table for Secure Assembly
INDUSTRIAL DESIGN · HARNESS CLAMPING TABLE

Harness Clamping Table for Secure Assembly

.STEP
Free
BMS Daly 15S 48V 200A Battery Management System
ENERGY AND POWER · BATTERY MANAGEMENT SYSTEM

BMS Daly 15S 48V 200A Battery Management System

.STEP
Free
Electronic Card Testing Machine with Mechanical and Pneumatic Systems
INDUSTRIAL DESIGN · ELECTRONIC CARD TESTING MACHINE

Electronic Card Testing Machine with Mechanical and Pneumatic Systems

.STEP
Free
FTC 2023 Competition Robot CAD Model
ROBOTICS · FTC 2023

FTC 2023 Competition Robot CAD Model

.STEP
Free
Protective Cover for M36x1.5 Threaded Connectors GOST 25930-83
INDUSTRIAL DESIGN · PROTECTIVE COVER

Protective Cover for M36x1.5 Threaded Connectors GOST 25930-83

.STEP
Free
Linear Actuator with 1250 mm Stroke and Central Motor XNTD22-BC-1250
MACHINE DESIGN · 1250 MM STROKE

Linear Actuator with 1250 mm Stroke and Central Motor XNTD22-BC-1250

.STEP
Free
Planetary Gear AC Servo Motor with Brake HK-KR23BG1_12 and Gear Ratio 12
MACHINE DESIGN · PLANETARY GEAR

Planetary Gear AC Servo Motor with Brake HK-KR23BG1_12 and Gear Ratio 12

.STEP
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
SCH 1000 Protective Screen Made from PETG Material
INDUSTRIAL DESIGN · SCH 1000

SCH 1000 Protective Screen Made from PETG Material

.STEP
Free
Lab Power Supply Unit for Precise Electrical Testing
ELECTRICAL · LAB POWER SUPPLY

Lab Power Supply Unit for Precise Electrical Testing

.STEP
Free
MicroSD Card Socket Connector with 9 to 11 Pins
ELECTRICAL · MICROSD

MicroSD Card Socket Connector with 9 to 11 Pins

.STEP
Free
Automation Control Support Drawing for Student Assignment
ROBOTICS · AUTOMATION CONTROL

Automation Control Support Drawing for Student Assignment

.STEP
Free
Protective Cover for M36x1.5 External Thread Connectors GOST 25930-83
INDUSTRIAL DESIGN · PROTECTIVE COVER

Protective Cover for M36x1.5 External Thread Connectors GOST 25930-83

.STEP
Free
Linear Actuator with 1250 mm Stroke and Right Motor XNTD22-BR-1250
MACHINE DESIGN · 1250 MM STROKE

Linear Actuator with 1250 mm Stroke and Right Motor XNTD22-BR-1250

.STEP
Free
Linear Actuator with 1250 mm Stroke and Left Motor XNTD22-BR-1250
MACHINE DESIGN · 1250 MM STROKE

Linear Actuator with 1250 mm Stroke and Left Motor XNTD22-BR-1250

.STEP
Free
Linear Actuator with 1250 mm Stroke and Bottom Motor
MACHINE DESIGN · 1250 MM STROKE

Linear Actuator with 1250 mm Stroke and Bottom Motor

.STEP
Free
Planetary Gear AC Servo Motor with Brake HG-KR73BG1_12 and Gear Ratio 12
MACHINE DESIGN · PLANETARY GEAR

Planetary Gear AC Servo Motor with Brake HG-KR73BG1_12 and Gear Ratio 12

.STEP
Free
Planetary Gear AC Servo Motor HG-KR73G1_12 with Gear Ratio 12
MACHINE DESIGN · PLANETARY GEAR

Planetary Gear AC Servo Motor HG-KR73G1_12 with Gear Ratio 12

.STEP