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
Vernier Caliper Holder - Precision Measuring Tool Accessory
INDUSTRIAL DESIGN · VERNIER CALIPER HOLDER

Vernier Caliper Holder - Precision Measuring Tool Accessory

.STEP
Free
R36S Game Console Stand for Secure Tabletop Placement
3D PRINTING · R36S

R36S Game Console Stand for Secure Tabletop Placement

.STEP
Free
Simple Pad for FreeNove ESP32 Experimental Board
ELECTRICAL · FREENOVE ESP32 PAD 1

Simple Pad for FreeNove ESP32 Experimental Board

.STEP
Free
3D Model of Seeed Studio XIAO ESP32-C6 Module
ELECTRICAL · SEEED STUDIO XIAO ESP32 C6 1

3D Model of Seeed Studio XIAO ESP32-C6 Module

.STEP

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Free
AirPods Pro Protective Case Design
INDUSTRIAL DESIGN · AIRPODS PRO CASE 1

AirPods Pro Protective Case Design

.STEP
Free
Basic 3D Printable Handle Model
INDUSTRIAL DESIGN · ALCA HANDLE 1

Basic 3D Printable Handle Model

.STEP
Free
Myanmar Traditional Trishaw - Classic Side-Car Design
AUTOMOTIVE · MYANMAR TRISHAW 1

Myanmar Traditional Trishaw - Classic Side-Car Design

.STEP
Free
Plastic Drinking Cup 3D CAD Model for Injection Molding and 3D Printing
INDUSTRIAL DESIGN · PLASTIC DRINKING CUP 1

Plastic Drinking Cup 3D CAD Model for Injection Molding and 3D Printing

.STEP
Free
4 POM Wheel Gantry CAD Model for Mechanical Design
MACHINE DESIGN · 4 WHEEL GANTRY

4 POM Wheel Gantry CAD Model for Mechanical Design

.STEP
Free
HTD 3M Timing Belt Pulleys - Hubbed and Hubless Variants
MACHINE DESIGN · HTD 3M

HTD 3M Timing Belt Pulleys - Hubbed and Hubless Variants

.STEP
Free
Filament Welder Tool for Joining 3D Printing Filaments
INDUSTRIAL DESIGN · FLAMENT WELDER TOOL 1

Filament Welder Tool for Joining 3D Printing Filaments

.STEP
Free
3D Model of the German Coat of Arms
COAT OF ARMS

3D Model of the German Coat of Arms

.STEP
Free
AAP 01 USW Kit for Ruger MK4 - Upper Assembly Upgrade
MACHINE DESIGN · AAP 01 USW KIT 1

AAP 01 USW Kit for Ruger MK4 - Upper Assembly Upgrade

.STEP
Free
Multi-Filament Spool Holder for Organized Storage
3D PRINTING · MULTI FILAMENT SPOOL HOLDER 1

Multi-Filament Spool Holder for Organized Storage

.STEP
Free
Custom Case Insert for Garmin Chronograph and Apache 1800 Case
INDUSTRIAL DESIGN · GARMIN XERO C1 PRO

Custom Case Insert for Garmin Chronograph and Apache 1800 Case

.STEP
Free
3D Printable Rat Feet for Pranks and Fun
3D PRINTING · RAT FEET 3D PRINTABLE 1

3D Printable Rat Feet for Pranks and Fun

.STEP
Free
Adjustable Workbench Desktop Lamp with Extendable Arms
INDUSTRIAL DESIGN · WORKBENCH DESKTOP ADJUSTABLE LAMP 1

Adjustable Workbench Desktop Lamp with Extendable Arms

.STEP
Free
Dolce Gabbana Logo 3D Model
JEWELLERY · DOLCE GABBANA 2

Dolce Gabbana Logo 3D Model

.STEP
Free
Wall-E Robot Model for Creative Projects
ROBOTICS · WALL E ROBOT 9

Wall-E Robot Model for Creative Projects

.STEP
Free
62T Timing Pulley Gear with Cover - Precision Mechanical Component
MACHINE DESIGN · TIMING PULLEY

62T Timing Pulley Gear with Cover - Precision Mechanical Component

.STEP
Free
Portable LED and Zener Diode Tester Vmax-100V I-0.02A
ELECTRICAL · LED AND ZENER DIODE TESTER 1

Portable LED and Zener Diode Tester Vmax-100V I-0.02A

.STEP
Free
Detailed Pen Model for CAD Design
INDUSTRIAL DESIGN · PEN 53

Detailed Pen Model for CAD Design

.STEP