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
IR15TT-M Dual Gas Infrared Sensor for CO2 and Hydrocarbon Detection
ENERGY AND POWER · IR15TT-M

IR15TT-M Dual Gas Infrared Sensor for CO2 and Hydrocarbon Detection

.STEP
Free
Thermistor NXFT15XH103FA2B090 - Detailed CAD Model
ELECTRICAL · NXFT15XH103FA2B090

Thermistor NXFT15XH103FA2B090 - Detailed CAD Model

.STEP
Free
Leaded NTC Thermistor B57871S S871 Series Horizontal Position
ELECTRICAL · NTC THERMISTOR

Leaded NTC Thermistor B57871S S871 Series Horizontal Position

.STEP
Free
PTC Air Heater with Fan Element - Reliable Heating Solution
ENERGY AND POWER · PTC AIR HEATER

PTC Air Heater with Fan Element - Reliable Heating Solution

.STEP

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NTC Thermistor 47 Disc - 5.5mm Diameter x 5.0mm Width
ELECTRICAL · NTC THERMISTOR 47

NTC Thermistor 47 Disc - 5.5mm Diameter x 5.0mm Width

.STEP
Free
Cooper Quadruped Robot - High-Torque Compact Robot Dog
ROBOTICS · COOPER QUADRUPED ROBOT

Cooper Quadruped Robot - High-Torque Compact Robot Dog

.STEP
Free
Generic 12V Linear Actuator with 100mm Stroke Length
MACHINE DESIGN · 12V LINEAR ACTUATOR

Generic 12V Linear Actuator with 100mm Stroke Length

.STEP
Free
RATTMMOTOR ZBX80 100mm Linear Stage Motion Actuator with 1605 Ballscrew
MACHINE DESIGN · RATTMMOTOR ZBX80

RATTMMOTOR ZBX80 100mm Linear Stage Motion Actuator with 1605 Ballscrew

.STEP
Free
Precision Tappet for Accurate Linear Motion in Industrial Machinery
MACHINE DESIGN · PRECISION TAPPET

Precision Tappet for Accurate Linear Motion in Industrial Machinery

.STEP
Free
12V Linear Actuator with 50mm Stroke for Remote Control Applications
ROBOTICS · 12V LINEAR ACTUATOR

12V Linear Actuator with 50mm Stroke for Remote Control Applications

.STEP
Free
Pneumatic Linear Actuator 50mm x 25mm
MACHINE DESIGN · PNEUMATIC LINEAR ACTUATOR

Pneumatic Linear Actuator 50mm x 25mm

.STEP
Free
Multi-Stage Linear Actuator with High Load Capacity
MACHINE DESIGN · MULTI-STAGE LINEAR ACTUATOR

Multi-Stage Linear Actuator with High Load Capacity

.STEP
Free
Automated Quality Control System for Semi-Cylindrical Components Inspection
MACHINE DESIGN · AUTOMATED QUALITY CONTROL SYSTEM

Automated Quality Control System for Semi-Cylindrical Components Inspection

.STEP
Free
200x200 Linear Actuator Model for Precision Motion Control
ROBOTICS · PRECISION MOTION CONTROL

200x200 Linear Actuator Model for Precision Motion Control

.STEP
Free
Autonomous Gantry System for Automated PCB Scanning and Measurement
ROBOTICS · AUTONOMOUS GANTRY SYSTEM

Autonomous Gantry System for Automated PCB Scanning and Measurement

.STEP
Free
Parametric Gear-Driven Linear Actuator for Biomedical Applications
MEDICAL · PARAMETRIC DESIGN

Parametric Gear-Driven Linear Actuator for Biomedical Applications

.STEP
Free
Dual Axis Solar Tracker Manual - Comprehensive Guide
ENERGY AND POWER · SOLAR PANEL POSITIONING

Dual Axis Solar Tracker Manual - Comprehensive Guide

.STEP
Free
Dual Axis Solar Tracker Embedded System Project
ENERGY AND POWER · EMBEDDED SYSTEM

Dual Axis Solar Tracker Embedded System Project

.STEP
Free
Dual-Axis Solar Tracker for Urban Applications
ENERGY AND POWER · SOLAR ENERGY

Dual-Axis Solar Tracker for Urban Applications

.STEP
Free
Dual Axis Solar Tracker Model for Efficient Solar Energy Capture
ENERGY AND POWER · SOLAR PANEL OPTIMIZATION

Dual Axis Solar Tracker Model for Efficient Solar Energy Capture

.STEP
Free
Aluminum Alloy Heatsink for Raspberry Pi Compute Module 4
ELECTRICAL · ALUMINUM ALLOY

Aluminum Alloy Heatsink for Raspberry Pi Compute Module 4

.STEP
Free
Geekworm X1002 Bottom NVMe Raspberry Pi HAT Shield CAD Model
ELECTRICAL · GEEKWORM X1002

Geekworm X1002 Bottom NVMe Raspberry Pi HAT Shield CAD Model

.STEP