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
Composite T-Beam Structural Design Models
CONSTRUCTION · COMPOSITE T-BEAM

Composite T-Beam Structural Design Models

.STEP
Free
3D Riser Model for CFD Tutorial Design
INDUSTRIAL DESIGN · 3D RISER

3D Riser Model for CFD Tutorial Design

.STEP
Free
Boat Type CAD Model for Marine Design
MARINE · BOAT

Boat Type CAD Model for Marine Design

.STEP
Free
Professional Boat Propeller CAD Model for Marine Engineering
MARINE · BOAT PROPELLER

Professional Boat Propeller CAD Model for Marine Engineering

.STEP

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High-Density Polyethylene (HDPE) Boat Model
MARINE · HDPE

High-Density Polyethylene (HDPE) Boat Model

.STEP
Free
Professional Windsurf Board CAD Model for Engineering and Design
INDUSTRIAL DESIGN · WINDSURF BOARD

Professional Windsurf Board CAD Model for Engineering and Design

.STEP
Free
Professional Boat Hull Design for Marine Engineering
MARINE · BOAT HULL

Professional Boat Hull Design for Marine Engineering

.STEP
Free
Square Box LifeRaft CAD Model for Marine Safety Applications
MARINE · LIFERAFT

Square Box LifeRaft CAD Model for Marine Safety Applications

.STEP
Free
Conceptual Hovercraft Propulsion System with Advanced Navigation and Control Features
MARINE · HOVERCRAFT

Conceptual Hovercraft Propulsion System with Advanced Navigation and Control Features

.STEP
Free
DAMEN E-FERRY 2306 Hull and Superstructure Prototype Model
MARINE · DAMEN E-FERRY 2306

DAMEN E-FERRY 2306 Hull and Superstructure Prototype Model

.STEP
Free
River Warship Monitor Component for Marine Engineering
MARINE · RIVER WARSHIP MONITOR

River Warship Monitor Component for Marine Engineering

.STEP
Free
Electric Outboard Motor Inspired by Torqeedo 1003 Model
MARINE · ELECTRIC OUTBOARD MOTOR

Electric Outboard Motor Inspired by Torqeedo 1003 Model

.STEP
Free
Underwater Survey Equipment Inspired by Sontek RiverSurveyor M9
MARINE · UNDERWATER SURVEY EQUIPMENT

Underwater Survey Equipment Inspired by Sontek RiverSurveyor M9

.STEP
Free
Catamaran Ship Hull with Integrated Propulsion and Maneuvering System
MARINE · CATAMARAN

Catamaran Ship Hull with Integrated Propulsion and Maneuvering System

.STEP
Free
Rotopax 1 Gallon Fuel Canister CAD Model
AUTOMOTIVE · ROTOPAX

Rotopax 1 Gallon Fuel Canister CAD Model

.STEP
Free
Conceptual Alternative Hull Design with Wave-Thrusting Front Shape
MARINE · HULL DESIGN

Conceptual Alternative Hull Design with Wave-Thrusting Front Shape

.STEP
Free
Watertight Door Handle for Composite Doors - Durable Hardware Solution
CONSTRUCTION · WATERTIGHT DOOR HANDLE

Watertight Door Handle for Composite Doors - Durable Hardware Solution

.STEP
Free
Hydrodynamic Ship Hull Design Inspired by Right Whale for Enhanced Performance
MARINE · HYDRODYNAMIC DESIGN

Hydrodynamic Ship Hull Design Inspired by Right Whale for Enhanced Performance

.STEP
Free
Set of Detailed Boat Models Including Rettungskutter, Segelbarkasse, Gigg, Segelkutter, and Jolle
MARINE · RETTUNGSKUTTER

Set of Detailed Boat Models Including Rettungskutter, Segelbarkasse, Gigg, Segelkutter, and Jolle

.STEP
Free
Hydrodynamic Ship Hull Design Inspired by Right Whale for Reduced Water Resistance
MARINE · HYDRODYNAMIC HULL

Hydrodynamic Ship Hull Design Inspired by Right Whale for Reduced Water Resistance

.STEP
Free
Modular Filter System with Acrylic Body and Threaded PVC Fittings
INDUSTRIAL DESIGN · MODULAR FILTER SYSTEM

Modular Filter System with Acrylic Body and Threaded PVC Fittings

.STEP
Free
Essay Hook Introduction Component for Writing Engagement
ESSAY HOOK

Essay Hook Introduction Component for Writing Engagement

.STEP