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
ER28/14/11 Vertical Core Transformer with 10 Pins
ELECTRICAL · ER28/14/11

ER28/14/11 Vertical Core Transformer with 10 Pins

.STEP
Free
Various Industrial Resistor Models Including C2-33H, MLT, and P1-4
ELECTRICAL · INDUSTRIAL RESISTOR

Various Industrial Resistor Models Including C2-33H, MLT, and P1-4

.STEP
Free
RJ11 Female 1 Port 4P4C Unshielded Jack for PCB Mounting
ELECTRICAL · RJ11

RJ11 Female 1 Port 4P4C Unshielded Jack for PCB Mounting

.STEP
Free
TP Link 5-Channel Switch Component
ELECTRICAL · TP LINK 5-CHANNEL SWITCH

TP Link 5-Channel Switch Component

.STEP

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2mm Electrical Jumper Connector
ELECTRICAL · 2MM JUMPER CONNECTOR

2mm Electrical Jumper Connector

.STEP
Free
Amphenol Industrial MS3102A14S-5P Connector
ELECTRICAL · MS3102A14S-5P

Amphenol Industrial MS3102A14S-5P Connector

.STEP
Free
Amphenol Industrial MS3102A14S-2S Connector
ELECTRICAL · MS3102A14S-2S

Amphenol Industrial MS3102A14S-2S Connector

.STEP
Free
Amphenol Industrial MS3102A18-10P Connector
ELECTRICAL · MS3102A18-10P

Amphenol Industrial MS3102A18-10P Connector

.STEP
Free
Pilz PNOZ S3 Safety Relay Device CAD Model
ELECTRICAL · PILZ PNOZ S3

Pilz PNOZ S3 Safety Relay Device CAD Model

.STEP
Free
SpeedyBee F7 Mini 20x20 Flight Controller for FPV Freestyle Drones
ROBOTICS · SPEEDYBEE F7 MINI

SpeedyBee F7 Mini 20x20 Flight Controller for FPV Freestyle Drones

.STEP
Free
Electrical Panel Bracket for TP4056 with Protection and M2 Screw Mounts
ELECTRICAL · TP4056

Electrical Panel Bracket for TP4056 with Protection and M2 Screw Mounts

.STEP
Free
Basic Sparkfun GPS Module CAD Model
ELECTRICAL · GPS MODULE

Basic Sparkfun GPS Module CAD Model

.STEP
Free
80x80 mm Component with 71mm Hole Spacing
MACHINE DESIGN · 80X80 MM COMPONENT

80x80 mm Component with 71mm Hole Spacing

.STEP
Free
Custom Holder for Generic Module DSN VC288 with Panel Mount DC Jack
ELECTRICAL · DSN VC288

Custom Holder for Generic Module DSN VC288 with Panel Mount DC Jack

.STEP
Free
4-Way Connector Housing Design for Custom Applications
ELECTRICAL · 4 WAY CONNECTOR

4-Way Connector Housing Design for Custom Applications

.STEP
Free
Electrical Coil for DC and AC Circuit Applications
ELECTRICAL · ELECTRICAL COIL

Electrical Coil for DC and AC Circuit Applications

.STEP
Free
W25Q32JVUU 8-Pad USON 4x3mm Integrated Circuit Package
ELECTRICAL · W25Q32JVUU

W25Q32JVUU 8-Pad USON 4x3mm Integrated Circuit Package

.STEP
Free
Integrated CNC XY Ventilation System with Airflow and Lighting Control
MACHINE DESIGN · CNC XY VENTILATION SYSTEM

Integrated CNC XY Ventilation System with Airflow and Lighting Control

.STEP
Free
TO-3PF Package 3D Model with Multiple Leg Variants for PCB Integration
ELECTRICAL · TO-3PF

TO-3PF Package 3D Model with Multiple Leg Variants for PCB Integration

.STEP
Free
Electric Stove CAD Model for Industrial Design
INDUSTRIAL DESIGN · ELECTRIC STOVE

Electric Stove CAD Model for Industrial Design

.STEP
Free
Industrial Component Model Under Development
INDUSTRIAL DESIGN · INDUSTRIAL COMPONENT

Industrial Component Model Under Development

.STEP
Free
TO-220 Package Lead Forming Options for PCB Mounting
ELECTRICAL · TO-220

TO-220 Package Lead Forming Options for PCB Mounting

.STEP