Marine CAD Models

Explore Marine CAD models for engineering workflows. Preview online and download STEP/STP, IGES, STL and more. Filter by tags, 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
801 models2D drawings
Sort by:
Free
High Performance Boat | 3D Engineering Design File
MARINE · HIGH PERFORMANCE BOAT

High Performance Boat | 3D Engineering Design File

.STEP
Free
Mini Submarine - Standard Mechanical Component
MARINE · MINI SUBMARINE

Mini Submarine - Standard Mechanical Component

.STEP
Free
Yacht (4) ''Tampa Bay'' | 3D Engineering Design File
MARINE · YACHT

Yacht (4) ''Tampa Bay'' | 3D Engineering Design File

.STEP
Free
Victory Ship Ship - Downloadable CAD Representation
MARINE · VICTORY SHIP

Victory Ship Ship - Downloadable CAD Representation

.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
Ship - Standard Mechanical Component
MARINE · SHIP

Ship - Standard Mechanical Component

.STEP
Free
Rc Boat Aluminum Steering Wheel | High-Quality CAD Model
MARINE · RC BOAT

Rc Boat Aluminum Steering Wheel | High-Quality CAD Model

.STEP
Free
Yacht (5) | 3D Engineering Design File
MARINE · YACHT

Yacht (5) | 3D Engineering Design File

.STEP
Free
The Propeller Of The Old Outboard Boat Motor "Moskva", "Moskva M", "Moskva 12.5". - Downloadable CAD Representation
MARINE · PROPELLER

The Propeller Of The Old Outboard Boat Motor "Moskva", "Moskva M", "Moskva 12.5". - Downloadable CAD Representation

.STEP
Free
Centerboard For Vintage Beginners Windsurf Board - Standard Mechanical Component
MARINE · CENTERBOARD

Centerboard For Vintage Beginners Windsurf Board - Standard Mechanical Component

.STEP
Free
Diy Boat Propeller - Downloadable CAD Representation
MARINE · BOAT PROPELLER

Diy Boat Propeller - Downloadable CAD Representation

.STEP
Free
Фонарь Глубоководный | 3D Engineering Design File
MARINE · DEEPWATER LANTERN

Фонарь Глубоководный | 3D Engineering Design File

.STEP
Free
Sailing Boat - Standard Mechanical Component
MARINE · SAILING BOAT

Sailing Boat - Standard Mechanical Component

.STEP
Free
Motor Boat - Downloadable CAD Representation
MARINE · MOTOR BOAT

Motor Boat - Downloadable CAD Representation

.STEP
Free
Sub-Sea Float 250Ltr | High-Quality CAD Model
MARINE · SUB-SEA FLOAT 250LTR

Sub-Sea Float 250Ltr | High-Quality CAD Model

.STEP
Free
Ijn Type B-1 I-15 Submarine - Downloadable CAD Representation
MARINE · IJN TYPE B-1 I-15

Ijn Type B-1 I-15 Submarine - Downloadable CAD Representation

.STEP
Free
Subsea Bulkhead Connector - Standard Mechanical Component
MARINE · SUBSEA BULKHEAD CONNECTOR

Subsea Bulkhead Connector - Standard Mechanical Component

.STEP
Free
One Person Submarine From Spirou Comics By Franquin. | 3D Engineering Design File
MARINE · ONE PERSON SUBMARINE

One Person Submarine From Spirou Comics By Franquin. | 3D Engineering Design File

.STEP
Free
Catamaran - Standard Mechanical Component
MARINE · CATAMARAN

Catamaran - Standard Mechanical Component

.STEP
Free
Magma Holder (On The Boat 32Mm Dia Safety Railings) | High-Quality CAD Model
MARINE · MAGMA HOLDER

Magma Holder (On The Boat 32Mm Dia Safety Railings) | High-Quality CAD Model

.STEP
Free
10 Meter Power Catamaran - Downloadable CAD Representation
MARINE · 10 METER POWER CATAMARAN

10 Meter Power Catamaran - Downloadable CAD Representation

.STEP
Free
Small Boat - Downloadable CAD Representation
MARINE · SMALL BOAT

Small Boat - Downloadable CAD Representation

.STEP
Free
Viking 72 Enclosed Bridge | 3D Engineering Design File
MARINE · VIKING 72

Viking 72 Enclosed Bridge | 3D Engineering Design File

.STEP