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
Detailed 1940s Motorcycle Component Model
AUTOMOTIVE · 1940S MOTORCYCLE

Detailed 1940s Motorcycle Component Model

.STEP
Free
Automatic Bottle Filling and Capping Machine Conceptual Design
MACHINE DESIGN · AUTOMATIC BOTTLE FILLING MACHINE

Automatic Bottle Filling and Capping Machine Conceptual Design

.STEP
Free
GoPro Hero 12 Mockup for Manufacturing Fitment
INDUSTRIAL DESIGN · GOPRO HERO 12

GoPro Hero 12 Mockup for Manufacturing Fitment

.STEP
Free
Upper Limb Exoskeleton Shoulder System Concept
ROBOTICS · UPPER LIMB EXOSKELETON

Upper Limb Exoskeleton Shoulder System Concept

.STEP

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Manual Sheet Metal 610 mm - Precision Metalworking Component
MACHINE DESIGN · SHEET METAL

Manual Sheet Metal 610 mm - Precision Metalworking Component

.STEP
Free
3D CAD Model Created with Creo Parametric
MACHINE DESIGN · CREO PARAMETRIC

3D CAD Model Created with Creo Parametric

.STEP
Free
Parametric Bicycle Stem with Adjustable Length and Angle
AUTOMOTIVE · BICYCLE STEM

Parametric Bicycle Stem with Adjustable Length and Angle

.STEP
Free
Direct Coupled Motor with 1500 RPM Fan
MACHINE DESIGN · DIRECT COUPLED MOTOR

Direct Coupled Motor with 1500 RPM Fan

.STEP
Free
Industrial Mechanical Component CAD Model
MACHINE DESIGN · MECHANICAL COMPONENT

Industrial Mechanical Component CAD Model

.STEP
Free
Detailed 3D CAD Model of Residential Spiral Staircase with Balcony and Roofing
ARCHITECTURE · SPIRAL STAIRCASE

Detailed 3D CAD Model of Residential Spiral Staircase with Balcony and Roofing

.STEP
Free
3D Color Design Model for Engineering Applications
INDUSTRIAL DESIGN · 3D COLOR MODEL

3D Color Design Model for Engineering Applications

.STEP
Free
Industrial Mechanical Component CAD Model
MACHINE DESIGN · MECHANICAL COMPONENT

Industrial Mechanical Component CAD Model

.STEP
Free
Industrial Surface Mounting 5-Pole 32A Wall Socket
ELECTRICAL · SURFACE MOUNTING

Industrial Surface Mounting 5-Pole 32A Wall Socket

.STEP
Free
Waterproof 2-Pin Female Connector Socket for Automotive Applications
AUTOMOTIVE · WATERPROOF CONNECTOR

Waterproof 2-Pin Female Connector Socket for Automotive Applications

.STEP
Free
Collar-Type Oil Seal 52x20x10 mm for Industrial Applications
MACHINE DESIGN · OIL SEAL

Collar-Type Oil Seal 52x20x10 mm for Industrial Applications

.STEP
Free
Precision Mechanical Component for Industrial Applications
MACHINE DESIGN · MECHANICAL COMPONENT

Precision Mechanical Component for Industrial Applications

.STEP
Free
ZWO ASI 120MM Mini Planetary Camera CAD Model
ZWO ASI 120MM MINI

ZWO ASI 120MM Mini Planetary Camera CAD Model

.STEP
Free
Industrial Component Model
MACHINE DESIGN · INDUSTRIAL COMPONENT

Industrial Component Model

.STEP
Free
ST-Link V3 Set Enclosure with Spacer Adapter
ELECTRICAL · ST-LINK V3

ST-Link V3 Set Enclosure with Spacer Adapter

.STEP
Free
Industrial Mechanical Component CAD Model
MACHINE DESIGN · MECHANICAL COMPONENT

Industrial Mechanical Component CAD Model

.STEP
Free
Cross Kart Design with 1.8m by 1m Dimensions
AUTOMOTIVE · CROSS KART

Cross Kart Design with 1.8m by 1m Dimensions

.STEP
Free
45 Degree Swing Arm Installation Guide
MACHINE DESIGN · 45 DEGREE SWING ARM

45 Degree Swing Arm Installation Guide

.STEP