system integration CAD Models

Browse system 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
1440 models2D drawings
Sort by:
Free
Linksys Ea8100 1 | 3D CAD Engineering Model
ELECTRICAL · LINKSYS EA8100

Linksys Ea8100 1 | 3D CAD Engineering Model

.STEP
Free
Ftc Charging Station 1 | 3D CAD Engineering Model
ROBOTICS · FTC CHARGING STATION 1

Ftc Charging Station 1 | 3D CAD Engineering Model

.STEP
Free
Beetleweight Minibot 1 | 3D CAD Engineering Model
ROBOTICS · BEETLEWEIGHT MINIBOT 1

Beetleweight Minibot 1 | 3D CAD Engineering Model

.STEP
Free
Drone 157 | 3D CAD Engineering Model
ROBOTICS · DRONE 157

Drone 157 | 3D CAD Engineering Model

.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
Ftc 10015 Double Bubble 1 | 3D CAD Engineering Model
3D PRINTING · FTC 10015 DOUBLE BUBBLE 1

Ftc 10015 Double Bubble 1 | 3D CAD Engineering Model

.STEP
Free
Stickbug 1 | 3D CAD Engineering Model
ROBOTICS · STICKBUG 1

Stickbug 1 | 3D CAD Engineering Model

.STEP
Free
Friendlyarm Nano Pi Neo 1 4 1 | 3D CAD Engineering Model
ELECTRICAL · FRIENDLYARM NANO PI NEO 1 4 1

Friendlyarm Nano Pi Neo 1 4 1 | 3D CAD Engineering Model

.STEP
Free
Frc Pneumatics Test Bench 1 | 3D CAD Engineering Model
ROBOTICS · FRC PNEUMATICS TEST BENCH 1

Frc Pneumatics Test Bench 1 | 3D CAD Engineering Model

.STEP
Free
Seeed Tinkergen Bitplayer 1 | 3D CAD Engineering Model
ROBOTICS · SEEED TINKERGEN BITPLAYER 1

Seeed Tinkergen Bitplayer 1 | 3D CAD Engineering Model

.STEP
Free
Ftc 9384 2023 2024 Robot 1 | 3D CAD Engineering Model
ROBOTICS · FTC 9384 2023 2024 ROBOT 1

Ftc 9384 2023 2024 Robot 1 | 3D CAD Engineering Model

.STEP
Free
Robot Sumo Ver 1 1 | 3D CAD Engineering Model
ROBOTICS · ROBOT SUMO VER 1 1

Robot Sumo Ver 1 1 | 3D CAD Engineering Model

.STEP
Free
Ftc 9384 2022 2023 Robot 1 | 3D CAD Engineering Model
ROBOTICS · FTC 9384 2022 2023 ROBOT 1

Ftc 9384 2022 2023 Robot 1 | 3D CAD Engineering Model

.STEP
Free
Automatic Spraying Mechanical Robot 1 | 3D CAD Engineering Model
ROBOTICS · AUTOMATIC SPRAYING ROBOT

Automatic Spraying Mechanical Robot 1 | 3D CAD Engineering Model

.STEP
Free
Ors 3010 Reva 1 | 3D CAD Engineering Model
MACHINE DESIGN · ORS 3010 REVA 1

Ors 3010 Reva 1 | 3D CAD Engineering Model

.STEP
Free
Tires Qc Inspection Line 1 | 3D CAD Engineering Model
INDUSTRIAL DESIGN · TIRES QC INSPECTION LINE

Tires Qc Inspection Line 1 | 3D CAD Engineering Model

.STEP
Free
Robot Sumo Ver 2 1 | 3D CAD Engineering Model
ROBOTICS · ROBOT SUMO VER 2 1

Robot Sumo Ver 2 1 | 3D CAD Engineering Model

.STEP
Free
Light Shield 1 | 3D CAD Engineering Model
3D PRINTING · LIGHT SHIELD 1

Light Shield 1 | 3D CAD Engineering Model

.STEP
Free
Swd Shield 1 | 3D CAD Engineering Model
ROBOTICS · SWD SHIELD 1

Swd Shield 1 | 3D CAD Engineering Model

.STEP
Free
Relay Shield 2 | 3D CAD Engineering Model
ELECTRICAL · RELAY SHIELD 2

Relay Shield 2 | 3D CAD Engineering Model

.STEP
Free
Openmv Cam H7 R2 1 | 3D CAD Engineering Model
ROBOTICS · OPENMV CAM H7 R2 1

Openmv Cam H7 R2 1 | 3D CAD Engineering Model

.STEP
Free
Sino Ka 200 120Mm Dro 1 | 3D CAD Engineering Model
MACHINE DESIGN · SINO KA 200 120MM DRO 1

Sino Ka 200 120Mm Dro 1 | 3D CAD Engineering Model

.STEP
Free
2024 Crescendo Team 4639 Robot Cadenza 1 | 3D CAD Engineering Model
ROBOTICS · 2024 CRESCENDO TEAM 4639

2024 Crescendo Team 4639 Robot Cadenza 1 | 3D CAD Engineering Model

.STEP