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
Horizontal Bag Carrying Belt Conveyor for Industrial Material Handling
INDUSTRIAL DESIGN · BELT CONVEYOR

Horizontal Bag Carrying Belt Conveyor for Industrial Material Handling

.STEP
Free
Industrial 1.9 Cubic Meter Storage Container
INDUSTRIAL DESIGN · STORAGE CONTAINER

Industrial 1.9 Cubic Meter Storage Container

.STEP
Free
6.7 Cubic Meter Industrial Container Model
INDUSTRIAL DESIGN · 6.7 CUBIC METER CONTAINER

6.7 Cubic Meter Industrial Container Model

.STEP
Free
Industrial Component 208-934-5120-50
MACHINE DESIGN · INDUSTRIAL COMPONENT

Industrial Component 208-934-5120-50

.STEP

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Pipe Railing with Clamping Jaws for Industrial Applications
INDUSTRIAL DESIGN · PIPE RAILING

Pipe Railing with Clamping Jaws for Industrial Applications

.STEP
Free
Hydraulic Arm for Lifting Mechanism - Industrial CAD Model
MACHINE DESIGN · HYDRAULIC ARM

Hydraulic Arm for Lifting Mechanism - Industrial CAD Model

.STEP
Free
Wood Structure for Landscape Applications
ARCHITECTURE · WOOD STRUCTURE

Wood Structure for Landscape Applications

.STEP
Free
Parabolic Acoustic Reflector for Architectural Applications
ARCHITECTURE · PARABOLIC ACOUSTIC REFLECTOR

Parabolic Acoustic Reflector for Architectural Applications

.STEP
Free
Steel Works Stair Design for Industrial Applications
ARCHITECTURE · STEEL STAIR

Steel Works Stair Design for Industrial Applications

.STEP
Free
Gas-Lift Hood Hinge for VAZ 2107 Scale Model
AUTOMOTIVE · GAS-LIFT HINGE

Gas-Lift Hood Hinge for VAZ 2107 Scale Model

.STEP
Free
6 kg Fire Extinguisher Cylinder - Industrial Safety Component
INDUSTRIAL DESIGN · FIRE EXTINGUISHER CYLINDER

6 kg Fire Extinguisher Cylinder - Industrial Safety Component

.STEP
Free
2+2 Hanger Component for Industrial Applications
INDUSTRIAL DESIGN · 2+2 HANGER

2+2 Hanger Component for Industrial Applications

.STEP
Free
Dual and Triple Hook Hanger for Industrial Use
INDUSTRIAL DESIGN · DUAL HOOK HANGER

Dual and Triple Hook Hanger for Industrial Use

.STEP
Free
Light Kayak Transport Trailer with Steering Axle and Storage Box
AUTOMOTIVE · KAYAK TRAILER

Light Kayak Transport Trailer with Steering Axle and Storage Box

.STEP
Free
Mashrabiya Panels Arabic Style Wall Decor for GCC Architecture
ARCHITECTURE · MASHRABIYA

Mashrabiya Panels Arabic Style Wall Decor for GCC Architecture

.STEP
Free
Lignatool Timber Cutting Guide for Chainsaws with Laser Positioning
CONSTRUCTION · TIMBER CUTTING GUIDE

Lignatool Timber Cutting Guide for Chainsaws with Laser Positioning

.STEP
Free
Glass Coffee Table with Wooden Frame and Glass Top
ARCHITECTURE · GLASS COFFEE TABLE

Glass Coffee Table with Wooden Frame and Glass Top

.STEP
Free
Fischertechnik eLearning Model with DIN 867 Tooth Form
MACHINE DESIGN · DIN 867

Fischertechnik eLearning Model with DIN 867 Tooth Form

.STEP
Free
Electrical Source Transfer Switch CAD Model for Power Systems
ELECTRICAL · SOURCE TRANSFER SWITCH

Electrical Source Transfer Switch CAD Model for Power Systems

.STEP
Free
Foldable Platform CAD Model
INDUSTRIAL DESIGN · FOLDABLE PLATFORM

Foldable Platform CAD Model

.STEP
Free
Industrial Toy Component CAD Model
INDUSTRIAL DESIGN · TOY COMPONENT

Industrial Toy Component CAD Model

.STEP
Free
16-Inch Wide Standard Excavator Bucket for Heavy-Duty Digging
CONSTRUCTION · EXCAVATOR BUCKET

16-Inch Wide Standard Excavator Bucket for Heavy-Duty Digging

.STEP