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
Selena Is An Airplane - Standard Mechanical Component
AVIATION · SELENA IS AN AIRPLANE

Selena Is An Airplane - Standard Mechanical Component

.STEP
Free
Tank With Attached Drone Quadcopter | High-Quality CAD Model
ROBOTICS · TANK

Tank With Attached Drone Quadcopter | High-Quality CAD Model

.STEP
Free
Power Plant “Griffon” - Downloadable CAD Representation
ENERGY AND POWER · POWER PLANT

Power Plant “Griffon” - Downloadable CAD Representation

.STEP
Free
308 Winchester | High-Quality CAD Model
308 WINCHESTER

308 Winchester | High-Quality CAD Model

.STEP

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Free
Seaplane | 3D Engineering Design File
AVIATION · SEAPLANE

Seaplane | 3D Engineering Design File

.STEP
Free
Wing Mounted To Torsion Spring - Downloadable CAD Representation
MACHINE DESIGN · WING MOUNTED TORSION SPRING

Wing Mounted To Torsion Spring - Downloadable CAD Representation

.STEP
Free
F-16 Desi̇gn | 3D Engineering Design File
AVIATION · F-16

F-16 Desi̇gn | 3D Engineering Design File

.STEP
Free
Ưe34 | High-Quality CAD Model
AUTOMOTIVE · E34

Ưe34 | High-Quality CAD Model

.STEP
Free
Drone - Downloadable CAD Representation
ROBOTICS · DRONE

Drone - Downloadable CAD Representation

.STEP
Free
F1 Rb19 Sidepod Updated (Unfinished) | High-Quality CAD Model
AUTOMOTIVE · F1 RB19

F1 Rb19 Sidepod Updated (Unfinished) | High-Quality CAD Model

.STEP
Free
Fighter Drone - Standard Mechanical Component
AEROSPACE · FIGHTER DRONE

Fighter Drone - Standard Mechanical Component

.STEP
Free
Examen Final | 3D Engineering Design File
MACHINE DESIGN · EXAMEN FINAL

Examen Final | 3D Engineering Design File

.STEP
Free
Millennium Hang Glider - Downloadable CAD Representation
AVIATION · MILLENNIUM HANG GLIDER

Millennium Hang Glider - Downloadable CAD Representation

.STEP
Free
Da Vinci Gripper - Downloadable CAD Representation
ROBOTICS · DA VINCI GRIPPER

Da Vinci Gripper - Downloadable CAD Representation

.STEP
Free
Drone | 3D Engineering Design File
ROBOTICS · DRONE

Drone | 3D Engineering Design File

.STEP
Free
Instrument Panel | 3D Engineering Design File
AUTOMOTIVE · INSTRUMENT PANEL

Instrument Panel | 3D Engineering Design File

.STEP
Free
Airplane Control | 3D Engineering Design File
AVIATION · AIRPLANE CONTROL

Airplane Control | 3D Engineering Design File

.STEP
Free
Wheel Model - Downloadable CAD Representation
MACHINE DESIGN · WHEEL MODEL

Wheel Model - Downloadable CAD Representation

.STEP
Free
Robotic Arm_Royelsrohit - Downloadable CAD Representation
ROBOTICS · ROBOTIC ARM

Robotic Arm_Royelsrohit - Downloadable CAD Representation

.STEP
Free
Crankcase - Standard Mechanical Component
MACHINE DESIGN · CRANKCASE

Crankcase - Standard Mechanical Component

.STEP
Free
Propeller (L=6.25", P=45) - Downloadable CAD Representation
MARINE · PROPELLER

Propeller (L=6.25", P=45) - Downloadable CAD Representation

.STEP
Free
Qav 250 - Downloadable CAD Representation
ROBOTICS · QAV 250

Qav 250 - Downloadable CAD Representation

.STEP