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
Geekworm X1004 Dual NVMe Raspberry Pi 5 HAT Shield CAD Model
ELECTRICAL · GEEKWORM X1004

Geekworm X1004 Dual NVMe Raspberry Pi 5 HAT Shield CAD Model

.STEP
Free
Geekworm X1001 NVMe Pi5 HAT Dimensional Model
ELECTRICAL · GEEKWORM X1001

Geekworm X1001 NVMe Pi5 HAT Dimensional Model

.STEP
Free
Micromotor Arm with Circular Freedom and Gearbox Dimensions
ROBOTICS · MICROMOTOR ARM

Micromotor Arm with Circular Freedom and Gearbox Dimensions

.STEP
Free
Micromotor for Model Cars - Precision Hobby Engineering
AUTOMOTIVE · MODEL CARS

Micromotor for Model Cars - Precision Hobby Engineering

.STEP

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Flat DC Micromotor CAD Model for Engineering Applications
ROBOTICS · FLAT DC MICROMOTOR

Flat DC Micromotor CAD Model for Engineering Applications

.STEP
Free
Lunar Sample Extractor with Rotating Filter for Robotic Surface Sampling
ROBOTICS · LUNAR SAMPLE EXTRACTOR

Lunar Sample Extractor with Rotating Filter for Robotic Surface Sampling

.STEP
Free
N20 Micromotor with Gearbox - Compact Precision Motor
ROBOTICS · N20 MICROMOTOR

N20 Micromotor with Gearbox - Compact Precision Motor

.STEP
Free
Micromotor Mabuchi RF-320 Model Overview
MACHINE DESIGN · MICROMOTOR MABUCHI RF-320

Micromotor Mabuchi RF-320 Model Overview

.STEP
Free
Micromotor Mabuchi RF-500 Model Overview
MACHINE DESIGN · MICROMOTOR MABUCHI RF-500

Micromotor Mabuchi RF-500 Model Overview

.STEP
Free
High-Performance Miniature Gear Motor with Metal Gearbox
ROBOTICS · MINIATURE GEAR MOTOR

High-Performance Miniature Gear Motor with Metal Gearbox

.STEP
Free
Compact High Torque Micro DC Geared Motor 6V
ROBOTICS · COMPACT HIGH TORQUE MICRO DC GEARED MOTOR

Compact High Torque Micro DC Geared Motor 6V

.STEP
Free
60V Motor Model from Surron Light-Bee Electric Motorcycle
AUTOMOTIVE · 60V MOTOR

60V Motor Model from Surron Light-Bee Electric Motorcycle

.STEP
Free
Surron Dual Motor Mount with Motor and Transmission Assembly
AUTOMOTIVE · DUAL MOTOR MOUNT

Surron Dual Motor Mount with Motor and Transmission Assembly

.STEP
Free
Electric Conversion of Honda CRF450R 2012 with High-Performance Specifications
AUTOMOTIVE · HONDA CRF450R

Electric Conversion of Honda CRF450R 2012 with High-Performance Specifications

.STEP
Free
Custom Rear Tail Light Bar for Surron Light Bee Segway
AUTOMOTIVE · SURRON LIGHT BEE

Custom Rear Tail Light Bar for Surron Light Bee Segway

.STEP
Free
Surron Extended Swingarm and Chassis Reinforcement Components
AUTOMOTIVE · SWINGARM EXTENSION

Surron Extended Swingarm and Chassis Reinforcement Components

.STEP
Free
250mm Front Disk Brake Adapter for Surron with Marzocchi 58
AUTOMOTIVE · 250MM FRONT DISK BRAKE ADAPTER

250mm Front Disk Brake Adapter for Surron with Marzocchi 58

.STEP
Free
10 Pin Molex Male Connector CAD Model
ELECTRICAL · 10 PIN MOLEX MALE CONNECTOR

10 Pin Molex Male Connector CAD Model

.STEP
Free
10-Pin Molex Mezzanine Connector with 0.35mm Pitch
ELECTRICAL · 10-PIN MOLEX MEZZANINE CONNECTOR

10-Pin Molex Mezzanine Connector with 0.35mm Pitch

.STEP
Free
10-Pin Right Angle Double Row Wafer Connector with 4.20mm Pitch
ELECTRICAL · 10-PIN WAFER CONNECTOR

10-Pin Right Angle Double Row Wafer Connector with 4.20mm Pitch

.STEP
Free
Servo Motor Encoder Connection Cable with 15-Pin Double-Row Connector
ROBOTICS · SERVO MOTOR

Servo Motor Encoder Connection Cable with 15-Pin Double-Row Connector

.STEP
Free
Molex PicoBlade Connector Configurable Model for Design Integration
ELECTRICAL · MOLEX PICOBLADE

Molex PicoBlade Connector Configurable Model for Design Integration

.STEP