mechanical component CAD Models

Browse mechanical component 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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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.

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
2465 models2D drawings
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Free
High-Quality Reel Model for Engineering Projects
MACHINE DESIGN · CARRETE DE ENRROLLE 1

High-Quality Reel Model for Engineering Projects

.STEP
Free
3D Printable Plastic Actuator Replacement Model
MACHINE DESIGN · CTS 442 ACTUATOR

3D Printable Plastic Actuator Replacement Model

.STEP
Free
Dual-Hole Mounting Bracket with Reinforced Support for Mechanical Assemblies
MACHINE DESIGN · DUAL HOLE MOUNTING BRACKET

Dual-Hole Mounting Bracket with Reinforced Support for Mechanical Assemblies

.STEP
Free
3D CAD Model of Mechanical Part Created in FreeCAD
MACHINE DESIGN · MECHANICAL COMPONENT

3D CAD Model of Mechanical Part Created in FreeCAD

.STEP

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Free
3D CAD Model of Mechanical Part Created in FreeCAD
MACHINE DESIGN · MECHANICAL COMPONENT

3D CAD Model of Mechanical Part Created in FreeCAD

.STEP
Free
Airsoft Tambor Component for Airsoft Equipment
AIRSOFT

Airsoft Tambor Component for Airsoft Equipment

.STEP
Free
Precision Knob with 6mm Shaft, 37mm x 17mm Dimensions
MACHINE DESIGN · PRECISION KNOB

Precision Knob with 6mm Shaft, 37mm x 17mm Dimensions

.STEP
Free
Brass Fitting with M6x0.75 Thread
MACHINE DESIGN · BRASS FITTING

Brass Fitting with M6x0.75 Thread

.STEP
Free
Pinball Pop Bumper 1 | 3D CAD Engineering Model
MACHINE DESIGN · PINBALL POP BUMPER 1

Pinball Pop Bumper 1 | 3D CAD Engineering Model

.STEP
Free
Collar Stud 1 4 20 1 | 3D CAD Engineering Model
MACHINE DESIGN · COLLAR STUD 1 4 20 1

Collar Stud 1 4 20 1 | 3D CAD Engineering Model

.STEP
Free
Ht Dc Geared Motor 1 | 3D CAD Engineering Model
MACHINE DESIGN · HT DC GEARED MOTOR 1

Ht Dc Geared Motor 1 | 3D CAD Engineering Model

.STEP
Free
Winch For Sailing Boat | 3D CAD Engineering Model
MARINE · WINCH

Winch For Sailing Boat | 3D CAD Engineering Model

.STEP
Free
Jaw Slide | 3D CAD Engineering Model
MACHINE DESIGN · JAW SLIDE

Jaw Slide | 3D CAD Engineering Model

.STEP
Free
Eye Bolt Collared | 3D CAD Engineering Model
MACHINE DESIGN · EYE BOLT COLLARED

Eye Bolt Collared | 3D CAD Engineering Model

.STEP
Free
Bearing Housing For Pump Shaft | 3D CAD Engineering Model
MACHINE DESIGN · BEARING HOUSING

Bearing Housing For Pump Shaft | 3D CAD Engineering Model

.STEP
Free
9 6 X 32 Pb Slider By Tommy 1 | 3D CAD Engineering Model
MACHINE DESIGN · 9 6 X 32 PB SLIDER

9 6 X 32 Pb Slider By Tommy 1 | 3D CAD Engineering Model

.STEP
Free
Stop Valve 58 | 3D CAD Engineering Model
INDUSTRIAL DESIGN · STOP VALVE 58

Stop Valve 58 | 3D CAD Engineering Model

.STEP
Free
Windlass Clutch Nut 1 | 3D CAD Engineering Model
MARINE · WINDLASS

Windlass Clutch Nut 1 | 3D CAD Engineering Model

.STEP
Free
Stuffing Box 38 | 3D CAD Engineering Model
MACHINE DESIGN · STUFFING BOX 38

Stuffing Box 38 | 3D CAD Engineering Model

.STEP
Free
Double Crane Hook No 50 1 | 3D CAD Engineering Model
MACHINE DESIGN · DOUBLE CRANE HOOK NO 50 1

Double Crane Hook No 50 1 | 3D CAD Engineering Model

.STEP
Free
Eccentric Rope Blocker 1 | 3D CAD Engineering Model
INDUSTRIAL DESIGN · ECCENTRIC ROPE BLOCKER 1

Eccentric Rope Blocker 1 | 3D CAD Engineering Model

.STEP
Free
Pressure Gauge 26 | 3D CAD Engineering Model
INDUSTRIAL DESIGN · PRESSURE GAUGE 26

Pressure Gauge 26 | 3D CAD Engineering Model

.STEP