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
3D Model of Air Purification System with Detailed Interior and Exterior
ENERGY AND POWER · AIR PURIFICATION SYSTEM

3D Model of Air Purification System with Detailed Interior and Exterior

.STEP
Free
MP56L Electric Motor 120W 2000 RPM 24V DC Armature
MACHINE DESIGN · MP56L

MP56L Electric Motor 120W 2000 RPM 24V DC Armature

.STEP
Free
5x20mm Fuse Holder for Electrical Applications
ELECTRICAL · 5X20MM FUSE HOLDER

5x20mm Fuse Holder for Electrical Applications

.STEP
Free
3000W PWM Assembly for Power Electronics Applications
ELECTRICAL · 3000W PWM ASSEMBLY

3000W PWM Assembly for Power Electronics Applications

.STEP

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Mounting Plate 3PS19-12 OST 107.680225.001-86 Industrial Component
MACHINE DESIGN · MOUNTING PLATE

Mounting Plate 3PS19-12 OST 107.680225.001-86 Industrial Component

.STEP
Free
Linear Actuator with 1050 mm Stroke and Central Motor XNTD10-1050-BC
MACHINE DESIGN · 1050 MM STROKE

Linear Actuator with 1050 mm Stroke and Central Motor XNTD10-1050-BC

.STEP
Free
Durable Arduino UNO Case with MCP2515 CAN Module Mount
ROBOTICS · ARDUINO UNO

Durable Arduino UNO Case with MCP2515 CAN Module Mount

.STEP
Free
Menbel Electric Panel Hinge for Industrial Applications
ELECTRICAL · MENBEL ELECTRIC PANEL HINGE

Menbel Electric Panel Hinge for Industrial Applications

.STEP
Free
3DG6 A3-01B Metal Package Transistor - Vintage Electronic Component
ELECTRICAL · 3DG6

3DG6 A3-01B Metal Package Transistor - Vintage Electronic Component

.STEP
Free
Delta Programmable Logic Controller (PLC) Industrial Automation Component
INDUSTRIAL DESIGN · DELTA PLC

Delta Programmable Logic Controller (PLC) Industrial Automation Component

.STEP
Free
SSMA-KE Small SMA RF Connector Socket
ELECTRICAL · SSMA-KE

SSMA-KE Small SMA RF Connector Socket

.STEP
Free
ABS Plastic Din Rail Enclosure 145x90x40mm Industrial Housing
ELECTRICAL · ABS PLASTIC ENCLOSURE

ABS Plastic Din Rail Enclosure 145x90x40mm Industrial Housing

.STEP
Free
3AX31 Antique Germanium Transistor for Vintage Radio Applications
ELECTRICAL · 3AX31

3AX31 Antique Germanium Transistor for Vintage Radio Applications

.STEP
Free
Bearing Regulator Component
MACHINE DESIGN · BEARING REGULATOR

Bearing Regulator Component

.STEP
Free
WEIPU SF1210/S3I and SF1213/S9 Industrial Connectors with IP67 Protection
ELECTRICAL · WEIPU SF1210/S3I

WEIPU SF1210/S3I and SF1213/S9 Industrial Connectors with IP67 Protection

.STEP
Free
Generic IEC Jack with Switch for EMI/RFI Filtering Applications
ELECTRICAL · IEC JACK

Generic IEC Jack with Switch for EMI/RFI Filtering Applications

.STEP
Free
HROparts TYPE-C-31-M-19 Vertical USB-C Jack Electrical Connector
ELECTRICAL · USB-C

HROparts TYPE-C-31-M-19 Vertical USB-C Jack Electrical Connector

.STEP
Free
30mm EDF Unit with Brushed Motor for 1S LiPo Systems
AVIATION · 30MM EDF

30mm EDF Unit with Brushed Motor for 1S LiPo Systems

.STEP
Free
Electrical Converter Component Model
ELECTRICAL · ELECTRICAL CONVERTER

Electrical Converter Component Model

.STEP
Free
Raspberry Pi Zero 2 W with 40-Pin Male Header Connector
ELECTRICAL · RASPBERRY PI ZERO 2 W

Raspberry Pi Zero 2 W with 40-Pin Male Header Connector

.STEP
Free
Simplified Battery Charger Model for Panasonic DMW-BCM13
ELECTRICAL · BATTERY CHARGER

Simplified Battery Charger Model for Panasonic DMW-BCM13

.STEP
Free
TF-2-x Series IF Transformer 465KHz 10.5x10.5x13.5mm
ELECTRICAL · TF-2-X SERIES

TF-2-x Series IF Transformer 465KHz 10.5x10.5x13.5mm

.STEP