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
Automotive Design Component CAD Model
AUTOMOTIVE · AUTOMOTIVE DESIGN

Automotive Design Component CAD Model

.STEP
Free
Automotive Design Component for Engineering Applications
AUTOMOTIVE · AUTOMOTIVE DESIGN

Automotive Design Component for Engineering Applications

.STEP
Free
Structural Design Component for Positioning Applications
MACHINE DESIGN · STRUCTURAL COMPONENT

Structural Design Component for Positioning Applications

.STEP
Free
Kosmek Cylinder Clamp Block CAD Model
MACHINE DESIGN · CYLINDER CLAMP

Kosmek Cylinder Clamp Block CAD Model

.STEP

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Electrical Installation Component Model for Engineering Use
ELECTRICAL · ELECTRICAL INSTALLATION

Electrical Installation Component Model for Engineering Use

.STEP
Free
Foot Step Bearing CAD Model Designed in CATIA V5
MACHINE DESIGN · FOOT STEP BEARING

Foot Step Bearing CAD Model Designed in CATIA V5

.STEP
Free
3D CAD Model with STEP File Included
3D CAD MODEL

3D CAD Model with STEP File Included

.STEP
Free
12 Inch Subwoofer by DLS - High-Quality Audio Component
12 INCH SUBWOOFER

12 Inch Subwoofer by DLS - High-Quality Audio Component

.STEP
Free
Industrial Box Washing Conveyor Belt System
INDUSTRIAL DESIGN · CONVEYOR BELT

Industrial Box Washing Conveyor Belt System

.STEP
Free
CTC Industrial Component
INDUSTRIAL DESIGN · CTC

CTC Industrial Component

.STEP
Free
Belt Roller Support CAD Model for Industrial Applications
MACHINE DESIGN · BELT ROLLER SUPPORT

Belt Roller Support CAD Model for Industrial Applications

.STEP
Free
Lamborghini Engine Timing Components
AUTOMOTIVE · LAMBORGHINI

Lamborghini Engine Timing Components

.STEP
Free
Pull Studs for BT30 and BT40 Tool Holders
MACHINE DESIGN · PULL STUD

Pull Studs for BT30 and BT40 Tool Holders

.STEP
Free
3-Phase 0.38 HP Electric Motor 1800 RPM
ELECTRICAL · 3-PHASE MOTOR

3-Phase 0.38 HP Electric Motor 1800 RPM

.STEP
Free
Clamp for Laboratory Mechanical Bar Setup
LABORATORY EQUIPMENT

Clamp for Laboratory Mechanical Bar Setup

.STEP
Free
Jaw Screw Mechanical Component Designed in CAD
MACHINE DESIGN · JAW SCREW

Jaw Screw Mechanical Component Designed in CAD

.STEP
Free
2-Pin Screw Terminal Connector CAD Model
ELECTRICAL · 2-PIN SCREW TERMINAL CONNECTOR

2-Pin Screw Terminal Connector CAD Model

.STEP
Free
Mandrel Tool for Hobbing Operations
MACHINE DESIGN · MANDREL TOOL

Mandrel Tool for Hobbing Operations

.STEP
Free
Absorber Rivet and Screw for Foam and Plate Attachment
INDUSTRIAL DESIGN · ABSORBER RIVET

Absorber Rivet and Screw for Foam and Plate Attachment

.STEP
Free
Brake Rotor CAD Model for Engineering Applications
AUTOMOTIVE · BRAKE ROTOR

Brake Rotor CAD Model for Engineering Applications

.STEP
Free
Parametric CAD Model for Engineering Design
MACHINE DESIGN · PARAMETRIC

Parametric CAD Model for Engineering Design

.STEP
Free
Piston for DEUTZ FL912 Engine
AUTOMOTIVE · PISTON

Piston for DEUTZ FL912 Engine

.STEP