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
Nema 14 Bipolar Stepper Motor for CNC Applications
MACHINE DESIGN · 14HS13 0804S 1

Nema 14 Bipolar Stepper Motor for CNC Applications

.STEP
Free
Mounting Bracket for Vtech 5" Smart Video Baby Monitor on Next to Me Cot
MEDICAL · VTECH 5 SMART VIDEO BABY MONITOR

Mounting Bracket for Vtech 5" Smart Video Baby Monitor on Next to Me Cot

.STEP
Free
Aftermarket Carriage for Hot Ends and Extruders
3D PRINTING · CREALITY SERMOON D3

Aftermarket Carriage for Hot Ends and Extruders

.STEP
Free
Pin and Ring Lock Model for Mechanical Assemblies
MACHINE DESIGN · PIN AND RING LOCK MODEL 1

Pin and Ring Lock Model for Mechanical Assemblies

.STEP

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Modern Glass Table Design for Contemporary Interiors
INDUSTRIAL DESIGN · GLASS TABLE DESIGN 1

Modern Glass Table Design for Contemporary Interiors

.STEP
Free
Compact Wooden Box Designed in an X Shape
INDUSTRIAL DESIGN · X BOX V1 1

Compact Wooden Box Designed in an X Shape

.STEP
Free
Detailed Bench Vice CAD Model for Engineering Design
MACHINE DESIGN · BENCH VICE 288

Detailed Bench Vice CAD Model for Engineering Design

.STEP
Free
Detailed Crane Hook CAD Model for Industrial Design
CONSTRUCTION · CRANE HOOK 316

Detailed Crane Hook CAD Model for Industrial Design

.STEP
Free
Feed Check Valve CAD Model for Engineering Applications
INDUSTRIAL DESIGN · FEED CHECK VALVE 95

Feed Check Valve CAD Model for Engineering Applications

.STEP
Free
3D Printable Golf Ball and Stand Model
INDUSTRIAL DESIGN · GOLF BALL

3D Printable Golf Ball and Stand Model

.STEP
Free
Basic Knife 3D Model for Design and Visualization
INDUSTRIAL DESIGN · BASIC KNIFE 1

Basic Knife 3D Model for Design and Visualization

.STEP
Free
CH P Hut Mui 1 - Detailed 3D CAD Model
ARCHITECTURE · CH P HUT MUI 1

CH P Hut Mui 1 - Detailed 3D CAD Model

.STEP
Free
Geometric Cross Composed of Multiple Polyhedrons
MARINE · CROSS 36

Geometric Cross Composed of Multiple Polyhedrons

.STEP
Free
Advanced Surface Modeling Tutorial for Earphone Design
INDUSTRIAL DESIGN · EARPHONE3 1

Advanced Surface Modeling Tutorial for Earphone Design

.STEP
Free
SVBONY SV165 Finder Scope 3D Model for Bracketry and 3D Printing
INDUSTRIAL DESIGN · SVBONY SV165

SVBONY SV165 Finder Scope 3D Model for Bracketry and 3D Printing

.STEP
Free
Set of 5.25-Inch Computer Case Covers
INDUSTRIAL DESIGN · COMPUTER CASE

Set of 5.25-Inch Computer Case Covers

.STEP
Free
Innovative Smart Lighting Devices with Modern Design
ELECTRICAL · PAVLAM AKILLI AYDINATMA CIHAZLARI 1

Innovative Smart Lighting Devices with Modern Design

.STEP
Free
Compact Storage Boxes for Small Tools Inspired by Insert Cases
MACHINE DESIGN · CARBIDE INSERT CASE 1

Compact Storage Boxes for Small Tools Inspired by Insert Cases

.STEP
Free
3D Model of a Tissue Box for Design and Visualization
INDUSTRIAL DESIGN · TISSUE BOX 12

3D Model of a Tissue Box for Design and Visualization

.STEP
Free
FreeCAD 1.0 Modeling Tutorial - Exercise 01-5
MACHINE DESIGN · EXERCISE 01 5

FreeCAD 1.0 Modeling Tutorial - Exercise 01-5

.STEP
Free
3D Printable Telescope Attachment Model
MEADE EXT 70 1

3D Printable Telescope Attachment Model

.STEP
Free
Accurate CAD Model of DS-S007M Servo with Detailed Dimensions
MACHINE DESIGN · DS S007M 1

Accurate CAD Model of DS-S007M Servo with Detailed Dimensions

.STEP