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
Mechanical Part Designed Using SolidWorks
MACHINE DESIGN · MECHANICAL PART

Mechanical Part Designed Using SolidWorks

.STEP
Free
Simple Paper Towel Holder Design for Home Use
INDUSTRIAL DESIGN · PAPER TOWEL HOLDER

Simple Paper Towel Holder Design for Home Use

.STEP
Free
Plastic Enclosure Designed for Injection Molding with Draft Analysis
INDUSTRIAL DESIGN · PLASTIC ENCLOSURE

Plastic Enclosure Designed for Injection Molding with Draft Analysis

.STEP
Free
Professional CAD Model Designed with Catia Software
MACHINE DESIGN · CATIA

Professional CAD Model Designed with Catia Software

.STEP

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Free
Adjustable Pulley and Weapon Blade Assembly CAD Model
MACHINE DESIGN · ADJUSTABLE PULLEY

Adjustable Pulley and Weapon Blade Assembly CAD Model

.STEP
Free
Professional 3D Printing and Laser Cutting Services
3D PRINTING · LASER CUTTING

Professional 3D Printing and Laser Cutting Services

.STEP
Free
Protective Case Compatible with iPhone 6 Plus, 7 Plus, and 8 Plus
INDUSTRIAL DESIGN · PROTECTIVE CASE

Protective Case Compatible with iPhone 6 Plus, 7 Plus, and 8 Plus

.STEP
Free
Smartphone 3D Model for Engineering and Design
INDUSTRIAL DESIGN · SMARTPHONE

Smartphone 3D Model for Engineering and Design

.STEP
Free
Standard Cigar Model with 44 Ring Gauge
INDUSTRIAL DESIGN · CIGAR

Standard Cigar Model with 44 Ring Gauge

.STEP
Free
FTC Into The Deep Robotics Project 2024
ROBOTICS · FTC INTO THE DEEP 2024

FTC Into The Deep Robotics Project 2024

.STEP
Free
Power Supply Unit for CNC Machines with Nema23 Motors
MACHINE DESIGN · POWER SUPPLY UNIT

Power Supply Unit for CNC Machines with Nema23 Motors

.STEP
Free
Training CAD Model with Detailed Drawings
TRAINING MODEL

Training CAD Model with Detailed Drawings

.STEP
Free
Adapter for Bosch PBS 75 AE Belt Sander to 27mm Festool Hose
INDUSTRIAL DESIGN · BOSCH PBS 75 AE

Adapter for Bosch PBS 75 AE Belt Sander to 27mm Festool Hose

.STEP
Free
Makita Rotation Reversing Lever 4190419 Z9-1 Replacement Part
MACHINE DESIGN · MAKITA

Makita Rotation Reversing Lever 4190419 Z9-1 Replacement Part

.STEP
Free
Double Container Car SGGMRS-90 Model for Railway Applications
INDUSTRIAL DESIGN · SGGMRS-90

Double Container Car SGGMRS-90 Model for Railway Applications

.STEP
Free
Fanuc Robot Assembly and Shop Floor Space Utilization Concept
ROBOTICS · FANUC ROBOT

Fanuc Robot Assembly and Shop Floor Space Utilization Concept

.STEP
Free
DEOCA V4 Engineering Component
MACHINE DESIGN · DEOCA V4

DEOCA V4 Engineering Component

.STEP
Free
DIY Vacuum System for Industrial Applications
INDUSTRIAL DESIGN · VACUUM SYSTEM

DIY Vacuum System for Industrial Applications

.STEP
Free
8 DOF Quadruped Robot Leg Assembly with SEA for N20 Motors
ROBOTICS · 8 DOF

8 DOF Quadruped Robot Leg Assembly with SEA for N20 Motors

.STEP
Free
Blade Assembly Component for Dual 10-Inch Lawn Mowers
MACHINE DESIGN · BLADE ASSEMBLY

Blade Assembly Component for Dual 10-Inch Lawn Mowers

.STEP
Free
Infrared Temperature Thermometer for Precise Thermal Measurement
INDUSTRIAL DESIGN · INFRARED THERMOMETER

Infrared Temperature Thermometer for Precise Thermal Measurement

.STEP
Free
Aluminum and Rubber Tracks for 1:10 Traxxas TRX4 RC Vehicle
ROBOTICS · ALUMINUM TRACKS

Aluminum and Rubber Tracks for 1:10 Traxxas TRX4 RC Vehicle

.STEP