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
7 Watt Power Over Ethernet (PoE) Transformer Case Model
ELECTRICAL · POWER OVER ETHERNET

7 Watt Power Over Ethernet (PoE) Transformer Case Model

.STEP
Free
Advanced Gas Turbine Design Model
ENERGY AND POWER · GAS TURBINE

Advanced Gas Turbine Design Model

.STEP
Free
ROKETSAN MAM Design - Professional 3D CAD Model
AEROSPACE · ROKETSAN MAM TASARIMI 1

ROKETSAN MAM Design - Professional 3D CAD Model

.STEP
Free
Power4Flight B150i EFI UAV Engine System
AVIATION · POWER4FLIGHT B150I

Power4Flight B150i EFI UAV Engine System

.STEP

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Göktürk 2 Satellite Design CAD Model
AEROSPACE · GOKTURK 2

Göktürk 2 Satellite Design CAD Model

.STEP
Free
Emax E808MA II Analog Servo Models Library for Precise Mechanical Control
ROBOTICS · EMAX E808MA II

Emax E808MA II Analog Servo Models Library for Precise Mechanical Control

.STEP
Free
Foxeer T-Rex Micro Camera for High-Performance FPV Applications
ROBOTICS · FOXEER T REX MICRO 1

Foxeer T-Rex Micro Camera for High-Performance FPV Applications

.STEP
Free
Sensor Casing Model for Benewake TF03
ROBOTICS · BENEWAKE TF03 1

Sensor Casing Model for Benewake TF03

.STEP
Free
Staco 2S3A1C Switch Basic Model
ELECTRICAL · STACO 2S3A1C SWITCH

Staco 2S3A1C Switch Basic Model

.STEP
Free
PIXHAWK 5X/6X Flight Controller Module
ROBOTICS · PIXHAWK 5X 6X

PIXHAWK 5X/6X Flight Controller Module

.STEP
Free
HD-1440A v2 Servo Motor for Precision Motion Control
MACHINE DESIGN · HD 1440A V2 1

HD-1440A v2 Servo Motor for Precision Motion Control

.STEP
Free
Foxeer Predator Nano FPV Camera 3D Model for Design Visualization
ROBOTICS · FPV CAMERA

Foxeer Predator Nano FPV Camera 3D Model for Design Visualization

.STEP
Free
Boolean Operation Module for 3D Models
MACHINE DESIGN · JR MODULE 1

Boolean Operation Module for 3D Models

.STEP
Free
Innovative Airplane Landing Concept
AVIATION · AIRPLANEIDEALANDING1

Innovative Airplane Landing Concept

.STEP
Free
Ultra Sport Plus RC Model Components and Assembly
AUTOMOTIVE · ULTRA SPORT PLUS 1

Ultra Sport Plus RC Model Components and Assembly

.STEP
Free
Racerstar Sprog X 2207 2400KV Brushless Motor CAD Model
ROBOTICS · RACERSTAR SPROG X 2207

Racerstar Sprog X 2207 2400KV Brushless Motor CAD Model

.STEP
Free
Biomimetic Waterproof Drone Frame Inspired by Lotus Design
ROBOTICS · LOTUS A

Biomimetic Waterproof Drone Frame Inspired by Lotus Design

.STEP
Free
Suction Cup LMHK20915 - Industrial Vacuum Component
MACHINE DESIGN · SUCTION CUP 18

Suction Cup LMHK20915 - Industrial Vacuum Component

.STEP
Free
Avionics System for MSE Experimental Rocket
AEROSPACE · AVIONICS SYSTEM

Avionics System for MSE Experimental Rocket

.STEP
Free
Jet Engine Exhaust Noise Reduction Design
AEROSPACE · JET ENGINE 256

Jet Engine Exhaust Noise Reduction Design

.STEP
Free
Detailed 3D Model of V2 Engine for CAD Projects
AUTOMOTIVE · V2 ENGINE 2

Detailed 3D Model of V2 Engine for CAD Projects

.STEP
Free
Jet Engine CAD Model - Aircraft Propulsion System Design
AEROSPACE · JET ENGINE 309

Jet Engine CAD Model - Aircraft Propulsion System Design

.STEP