mechanical design CAD Models

Browse mechanical design CAD models used in real projects. Preview online and download STEP/STP, IGES, STL and more. Filter by category, file type, price and popularity.

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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.

7 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.

5 partspairs verified
HARDWARE

Metric Fasteners & Threaded Hardware Pack

A reusable ISO/metric fastener library cluster with screws, nuts, washers, inserts, standoffs and bolt assemblies.

2 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.

7 partspairs verified
ELECTRONICS PROTOTYPING

Arduino / ESP32 Prototyping Kit

A maker electronics cluster with Arduino, ESP32, breadboard, shield, servo, battery holder and enclosure.

7 partspairs verified
ROBOTICS

Robotic Arm + Gripper Kit

A robotic manipulator cluster with 6-DOF arm, gripper, wrist, servo mounts, actuator and linear guide components.

7 partspairs verified
CNC MACHINING

CNC Workholding & Tooling Kit

A CNC machining cluster covering table, clamping, vise, chuck, collet holder, spindle and ball-screw motion.

6 partspairs verified
HVAC / DUCTING

HVAC Ventilation Duct Assembly Kit

A ventilation product cluster with grille, damper, duct adapter, fan, filter, flange and duct clamp.

6 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.

8 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.

9 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.

7 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.

5 partspairs verified
1390 models2D drawings
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Free
Six-Legged Robot Mechanical Design
ROBOTICS · SIX-LEGGED ROBOT

Six-Legged Robot Mechanical Design

.STEP
Free
Gripper Mechanism for FRC Robotics Applications
ROBOTICS · GRIPPER MECHANISM

Gripper Mechanism for FRC Robotics Applications

.STEP
Free
24-Inch Bicycle Front Suspension Model
AUTOMOTIVE · BICYCLE SUSPENSION

24-Inch Bicycle Front Suspension Model

.STEP
Free
Balancing Robot CAD Model for Engineering Applications
ROBOTICS · BALANCING ROBOT

Balancing Robot CAD Model for Engineering Applications

.STEP

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Horizon Inspired Top Spinner CAD Model
INDUSTRIAL DESIGN · TOP SPINNER

Horizon Inspired Top Spinner CAD Model

.STEP
Free
Innovative Mechanical Design Concept for Engineering Inspiration
MACHINE DESIGN · MECHANICAL DESIGN

Innovative Mechanical Design Concept for Engineering Inspiration

.STEP
Free
Offseason Swerve Concept CAD Model
MACHINE DESIGN · OFFSEASON SWERVE

Offseason Swerve Concept CAD Model

.STEP
Free
Differential Drive Mobile Robot CAD Model
ROBOTICS · DIFFERENTIAL DRIVE

Differential Drive Mobile Robot CAD Model

.STEP
Free
Innovative Mechanical Design Concept
MACHINE DESIGN · MECHANICAL DESIGN

Innovative Mechanical Design Concept

.STEP
Free
4-Cylinder Star Pattern Engine Model
MACHINE DESIGN · 4 CYLINDER ENGINE

4-Cylinder Star Pattern Engine Model

.STEP
Free
6-Cylinder Inline Engine CAD Model
AUTOMOTIVE · 6-CYLINDER INLINE ENGINE

6-Cylinder Inline Engine CAD Model

.STEP
Free
Radial Engine Model with Star Configuration
AEROSPACE · RADIAL ENGINE

Radial Engine Model with Star Configuration

.STEP
Free
Precision Engine Piston CAD Model
AUTOMOTIVE · ENGINE PISTON

Precision Engine Piston CAD Model

.STEP
Free
Lofted CAD Model Demonstrating SolidWorks Techniques
MACHINE DESIGN · LOFTING

Lofted CAD Model Demonstrating SolidWorks Techniques

.STEP
Free
D51 Locomotive Engineering Model
INDUSTRIAL DESIGN · D51 LOCOMOTIVE

D51 Locomotive Engineering Model

.STEP
Free
WDM-3D ALCO Locomotive CAD Model
AUTOMOTIVE · WDM-3D ALCO

WDM-3D ALCO Locomotive CAD Model

.STEP
Free
Steering System CAD Model for Engineering Design
AUTOMOTIVE · STEERING SYSTEM

Steering System CAD Model for Engineering Design

.STEP
Free
Radial Engine Assembly CAD Model for Engineering Applications
AEROSPACE · RADIAL ENGINE

Radial Engine Assembly CAD Model for Engineering Applications

.STEP
Free
Detailed Replica of Koenigsegg Dark Matter Motor with Internal View
AUTOMOTIVE · KOENIGSEGG DARK MATTER MOTOR

Detailed Replica of Koenigsegg Dark Matter Motor with Internal View

.STEP
Free
Worm Gear Reducer CAD Model for Mechanical Design
MACHINE DESIGN · WORM GEAR REDUCER

Worm Gear Reducer CAD Model for Mechanical Design

.STEP
Free
Engineering Component Model in Development
MACHINE DESIGN · ENGINEERING COMPONENT

Engineering Component Model in Development

.STEP
Free
25 Teeth Spur Gear CAD Model for Mechanical Design
MACHINE DESIGN · SPUR GEAR

25 Teeth Spur Gear CAD Model for Mechanical Design

.STEP