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
Nodb-Killer For Mv Agusta | 3D Engineering Design File
AUTOMOTIVE · NODB-KILLER

Nodb-Killer For Mv Agusta | 3D Engineering Design File

.STEP
Free
Контейнер | 3D Engineering Design File
MACHINE DESIGN · CONTAINER

Контейнер | 3D Engineering Design File

.STEP
Free
Bonet/Hood Panel Design | High-Quality CAD Model
AUTOMOTIVE · BONET PANEL

Bonet/Hood Panel Design | High-Quality CAD Model

.STEP
Free
Véhicule Autonome Educatif Model 2 | 3D Engineering Design File
ROBOTICS · VÉHICULE AUTONOME EDUCATIF MODEL 2

Véhicule Autonome Educatif Model 2 | 3D Engineering Design File

.STEP

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Free
Yarış Aracı Yakıt Tankı - Downloadable CAD Representation
AUTOMOTIVE · FUEL TANK

Yarış Aracı Yakıt Tankı - Downloadable CAD Representation

.STEP
Free
Structure Under 15 Tons Uniform Load - Downloadable CAD Representation
MACHINE DESIGN · STRUCTURE UNDER 15 TONS UNIFORM LOAD

Structure Under 15 Tons Uniform Load - Downloadable CAD Representation

.STEP
Free
Modular Conveyor - Standard Mechanical Component
MACHINE DESIGN · MODULAR CONVEYOR

Modular Conveyor - Standard Mechanical Component

.STEP
Free
Mazda Mx-5 Miata Dual Plenum Turbo Intake Manifold - Intake Manifold - Downloadable CAD Representation
AUTOMOTIVE · MAZDA MX-5 MIATA

Mazda Mx-5 Miata Dual Plenum Turbo Intake Manifold - Intake Manifold - Downloadable CAD Representation

.STEP
Free
Szp6Smb39At3G - Downloadable CAD Representation
MACHINE DESIGN · SZP6SMB39AT3G

Szp6Smb39At3G - Downloadable CAD Representation

.STEP
Free
Wheel | High-Quality CAD Model
MACHINE DESIGN · WHEEL

Wheel | High-Quality CAD Model

.STEP
Free
Шкив Audi A80 | High-Quality CAD Model
AUTOMOTIVE · AUDI A80

Шкив Audi A80 | High-Quality CAD Model

.STEP
Free
T-978 - Downloadable CAD Representation
MACHINE DESIGN · T-978

T-978 - Downloadable CAD Representation

.STEP
Free
Wheel 33Inch Diameter, 275 Wide. | High-Quality CAD Model
AUTOMOTIVE · WHEEL

Wheel 33Inch Diameter, 275 Wide. | High-Quality CAD Model

.STEP
Free
Lifttruck Break | 3D Engineering Design File
MACHINE DESIGN · LIFTTRUCK BREAK

Lifttruck Break | 3D Engineering Design File

.STEP
Free
Hl050-2 | 3D Engineering Design File
MACHINE DESIGN · HL050-2

Hl050-2 | 3D Engineering Design File

.STEP
Free
Car Hood | 3D Engineering Design File
AUTOMOTIVE · CAR HOOD

Car Hood | 3D Engineering Design File

.STEP
Free
Steam Locomotive - Downloadable CAD Representation
INDUSTRIAL DESIGN · STEAM LOCOMOTIVE

Steam Locomotive - Downloadable CAD Representation

.STEP
Free
Piston Assembly | High-Quality CAD Model
AUTOMOTIVE · PISTON ASSEMBLY

Piston Assembly | High-Quality CAD Model

.STEP
Free
Tractor Wheel 450 Мм | 3D Engineering Design File
MACHINE DESIGN · TRACTOR WHEEL

Tractor Wheel 450 Мм | 3D Engineering Design File

.STEP
Free
Mono Shock Absorber System | 3D Engineering Design File
AUTOMOTIVE · MONO SHOCK ABSORBER

Mono Shock Absorber System | 3D Engineering Design File

.STEP
Free
Car Chassis - Downloadable CAD Representation
AUTOMOTIVE · CAR CHASSIS

Car Chassis - Downloadable CAD Representation

.STEP
Free
Single Piston Engine - Standard Mechanical Component
MACHINE DESIGN · SINGLE PISTON ENGINE

Single Piston Engine - Standard Mechanical Component

.STEP