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
Bicycle Model Featuring Regenerative Braking System
AUTOMOTIVE · BICYCLE

Bicycle Model Featuring Regenerative Braking System

.STEP
Free
Industrial Ventilator Model Reference 33562
INDUSTRIAL DESIGN · INDUSTRIAL VENTILATOR

Industrial Ventilator Model Reference 33562

.STEP
Free
Engineering Study Model 9
MACHINE DESIGN · ENGINEERING STUDY MODEL 9

Engineering Study Model 9

.STEP
Free
3D Model of a DC Motor for Engineering Applications
MACHINE DESIGN · DC MOTOR

3D Model of a DC Motor for Engineering Applications

.STEP

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Exercise Part Designed with Inventor Software
INDUSTRIAL DESIGN · EXERCISE PART

Exercise Part Designed with Inventor Software

.STEP
Free
Complete Crankshaft Model Designed in Fusion360
MACHINE DESIGN · CRANKSHAFT

Complete Crankshaft Model Designed in Fusion360

.STEP
Free
7mm Steel Alloy Metric Wrench CAD Model
MACHINE DESIGN · 7MM WRENCH

7mm Steel Alloy Metric Wrench CAD Model

.STEP
Free
Motorcycle Fuel Injector CAD Model for Injection Systems
AUTOMOTIVE · FUEL INJECTOR

Motorcycle Fuel Injector CAD Model for Injection Systems

.STEP
Free
Exhaust Manifold CAD Model Designed in Catia V5
AUTOMOTIVE · EXHAUST MANIFOLD

Exhaust Manifold CAD Model Designed in Catia V5

.STEP
Free
Shock Absorber Engineering Model
AUTOMOTIVE · SHOCK ABSORBER

Shock Absorber Engineering Model

.STEP
Free
Precision Ball Bearing Design and Render
MACHINE DESIGN · BALL BEARING

Precision Ball Bearing Design and Render

.STEP
Free
Professional Sheet Metal Drill Tool CAD Model
MACHINE DESIGN · SHEET METAL DRILL TOOL

Professional Sheet Metal Drill Tool CAD Model

.STEP
Free
Suspension System Engineering Design and Visualization
AUTOMOTIVE · SUSPENSION SYSTEM

Suspension System Engineering Design and Visualization

.STEP
Free
Precision Helix Component for Mechanical Design and Simulation
MACHINE DESIGN · HELIX

Precision Helix Component for Mechanical Design and Simulation

.STEP
Free
Automobile Connecting Rod CAD Model
AUTOMOTIVE · CONNECTING ROD

Automobile Connecting Rod CAD Model

.STEP
Free
Detailed CAD Model of a Camshaft for Engine Applications
AUTOMOTIVE · CAMSHAFT

Detailed CAD Model of a Camshaft for Engine Applications

.STEP
Free
Automotive Engine Component CAD Model
AUTOMOTIVE · ENGINE COMPONENT

Automotive Engine Component CAD Model

.STEP
Free
V6 Engine Piston CAD Model for Mechanical Design
AUTOMOTIVE · V6 ENGINE

V6 Engine Piston CAD Model for Mechanical Design

.STEP
Free
V6 Engine Crankshaft CAD Model
AUTOMOTIVE · V6 ENGINE

V6 Engine Crankshaft CAD Model

.STEP
Free
V6 Engine Block CAD Model for Mechanical Design
AUTOMOTIVE · V6 ENGINE BLOCK

V6 Engine Block CAD Model for Mechanical Design

.STEP
Free
Single Piston Engine Model for Mechanical Design
MACHINE DESIGN · SINGLE PISTON ENGINE

Single Piston Engine Model for Mechanical Design

.STEP
Free
Honda C Series Transmission Gear Set with Detailed Gear Ratios
AUTOMOTIVE · HONDA C SERIES

Honda C Series Transmission Gear Set with Detailed Gear Ratios

.STEP