mechanical integration CAD Models

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

Browse by part & function

The axis engineers actually search on — pick a part type to filter the catalog.

See all parts

Build kits

Curated systems with verified mating parts — download the whole assembly at once.

All collections
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
310 models2D drawings
Sort by:
Free
Pen Holder | High-Quality CAD Model
INDUSTRIAL DESIGN · PEN HOLDER

Pen Holder | High-Quality CAD Model

.STEP
Free
Suporte_Celular | High-Quality CAD Model
INDUSTRIAL DESIGN · SUPORTE_CELULAR

Suporte_Celular | High-Quality CAD Model

.STEP
Free
Printer 3D | 3D Engineering Design File
3D PRINTING · PRINTER 3D

Printer 3D | 3D Engineering Design File

.STEP
Free
Ratrig Vcore 3.1 Xy Joiner-Aluminum | 3D Engineering Design File
3D PRINTING · RATRIG VCORE 3.1

Ratrig Vcore 3.1 Xy Joiner-Aluminum | 3D Engineering Design File

.STEP

Need a CAD file that is not in the library?

Share your requirement and Marathon OS will match you with a vetted CAD designer for production-ready CAD files, edits and manufacturing documentation.

Get it Built
500+Projects Done
24 hrResponse
15+CAD Tools
Free
Tronxy Xy-08N Hot Bed Auto Level Sensor | High-Quality CAD Model
3D PRINTING · TRONXY XY-08N

Tronxy Xy-08N Hot Bed Auto Level Sensor | High-Quality CAD Model

.STEP
Free
Scott Paper Towel Dispenser Adapter | High-Quality CAD Model
INDUSTRIAL DESIGN · SCOTT PAPER TOWEL DISPENSER ADAPTER

Scott Paper Towel Dispenser Adapter | High-Quality CAD Model

.STEP
Free
Replacement Cabinet / Pc Case Leg For Corsair Carbide Serie Spec-01 - Downloadable CAD Representation
MACHINE DESIGN · CORSAIR CARBIDE SPEC-01

Replacement Cabinet / Pc Case Leg For Corsair Carbide Serie Spec-01 - Downloadable CAD Representation

.STEP
Free
Nema 17 Pancake 17Hs4023 | 3D Engineering Design File
ROBOTICS · NEMA 17

Nema 17 Pancake 17Hs4023 | 3D Engineering Design File

.STEP
Free
Garmin To Sp-Connect | High-Quality CAD Model
MACHINE DESIGN · GARMIN TO SP-CONNECT

Garmin To Sp-Connect | High-Quality CAD Model

.STEP
Free
Random Bowl | High-Quality CAD Model
INDUSTRIAL DESIGN · RANDOM BOWL

Random Bowl | High-Quality CAD Model

.STEP
Free
Bioscaffold Enclosure - Downloadable CAD Representation
MEDICAL · BIOSCAFFOLD ENCLOSURE

Bioscaffold Enclosure - Downloadable CAD Representation

.STEP
Free
Pixel6A Stand | High-Quality CAD Model
INDUSTRIAL DESIGN · PIXEL6A STAND

Pixel6A Stand | High-Quality CAD Model

.STEP
Free
Tmm 40063-3 Boats X2-Series - Downloadable CAD Representation
MARINE · TMM 40063-3

Tmm 40063-3 Boats X2-Series - Downloadable CAD Representation

.STEP
Free
Ikea Skadis Tray | 3D Engineering Design File
INDUSTRIAL DESIGN · IKEA SKADIS TRAY

Ikea Skadis Tray | 3D Engineering Design File

.STEP
Free
Gx 16 Female Connector Outer Sleeve | High-Quality CAD Model
ELECTRICAL · GX16

Gx 16 Female Connector Outer Sleeve | High-Quality CAD Model

.STEP
Free
Showerhead Holder | High-Quality CAD Model
INDUSTRIAL DESIGN · SHOWERHEAD HOLDER

Showerhead Holder | High-Quality CAD Model

.STEP
Free
Ender 3 Pro Spool Holder | High-Quality CAD Model
3D PRINTING · ENDER 3 PRO

Ender 3 Pro Spool Holder | High-Quality CAD Model

.STEP
Free
Crutch-Leash | High-Quality CAD Model
MEDICAL · CRUTCH-LEASH

Crutch-Leash | High-Quality CAD Model

.STEP
Free
Lindesnes Coat Of Arms Plaque - Downloadable CAD Representation
INDUSTRIAL DESIGN · LINDESNES COAT OF ARMS

Lindesnes Coat Of Arms Plaque - Downloadable CAD Representation

.STEP
Free
Iphone 17 Pro Max - Downloadable CAD Representation
INDUSTRIAL DESIGN · IPHONE 17 PRO MAX

Iphone 17 Pro Max - Downloadable CAD Representation

.STEP
Free
Lh5000 Furuno Loud Hailer | 3D Engineering Design File
MARINE · LH5000

Lh5000 Furuno Loud Hailer | 3D Engineering Design File

.STEP
Free
Flipsky/Hobiba 65161 Motor - Downloadable CAD Representation
ROBOTICS · FLIPSKY 65161

Flipsky/Hobiba 65161 Motor - Downloadable CAD Representation

.STEP