hydrodynamics CAD Models

Browse hydrodynamics 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
Sort by:
Free
Professional Boat Hull Design for Marine Engineering
MARINE · BOAT HULL

Professional Boat Hull Design for Marine Engineering

.STEP
Free
Conceptual Alternative Hull Design with Wave-Thrusting Front Shape
MARINE · HULL DESIGN

Conceptual Alternative Hull Design with Wave-Thrusting Front Shape

.STEP
Free
Innovative Ship Hull Design for Enhanced High-Speed Performance
MARINE · SHIP HULL

Innovative Ship Hull Design for Enhanced High-Speed Performance

.STEP
Free
Full Displacement Ship Hull with Twin Asymmetrical Skegs Design
MARINE · FULL DISPLACEMENT HULL

Full Displacement Ship Hull with Twin Asymmetrical Skegs Design

.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
Innovative Ship Hull Design for Enhanced Performance at 50 Knots
MARINE · SHIP HULL

Innovative Ship Hull Design for Enhanced Performance at 50 Knots

.STEP
Free
Inverted Bow Hull Design Study
MARINE · INVERTED BOW

Inverted Bow Hull Design Study

.STEP
Free
3D Boat Propeller Design Model for Marine Engineering
MARINE · BOAT PROPELLER

3D Boat Propeller Design Model for Marine Engineering

.STEP
Free
Ship Propeller CAD Model for Marine Engineering
MARINE · SHIP PROPELLER

Ship Propeller CAD Model for Marine Engineering

.STEP
Free
Catamaran Daggerboard Design for Marine Applications
MARINE · DAGGERBOARD

Catamaran Daggerboard Design for Marine Applications

.STEP
Free
Propeller 3D Model for Engineering and Design
MARINE · PROPELLER 83

Propeller 3D Model for Engineering and Design

.STEP
Free
4 Bladed Propeller | 3D CAD Engineering Model
MARINE · 4 BLADED PROPELLER

4 Bladed Propeller | 3D CAD Engineering Model

.STEP
Free
Pump Impeller D 2 04M | 3D CAD Engineering Model
MACHINE DESIGN · PUMP IMPELLER

Pump Impeller D 2 04M | 3D CAD Engineering Model

.STEP
Free
Surfboard Thruster 1 | 3D CAD Engineering Model
INDUSTRIAL DESIGN · SURFBOARD THRUSTER 1

Surfboard Thruster 1 | 3D CAD Engineering Model

.STEP
Free
Water Jet For Ship And Boat 1 | 3D CAD Engineering Model
MARINE · WATER JET

Water Jet For Ship And Boat 1 | 3D CAD Engineering Model

.STEP
Free
Surface Of Boat Hull 1 | 3D CAD Engineering Model
MARINE · BOAT HULL

Surface Of Boat Hull 1 | 3D CAD Engineering Model

.STEP
Free
Voith Schneider Propeller 1 | 3D CAD Engineering Model
MARINE · VOITH SCHNEIDER PROPELLER

Voith Schneider Propeller 1 | 3D CAD Engineering Model

.STEP
Free
Voith Schneider Full Size Kinematics 1 | 3D CAD Engineering Model
MARINE · VOITH SCHNEIDER

Voith Schneider Full Size Kinematics 1 | 3D CAD Engineering Model

.STEP
Free
Boat Propeller 5 | 3D CAD Engineering Model
MARINE · BOAT PROPELLER 5

Boat Propeller 5 | 3D CAD Engineering Model

.STEP
Free
Beneteau Wizz Daggerboard 1 | 3D CAD Engineering Model
MARINE · BENETEAU WIZZ DAGGERBOARD 1

Beneteau Wizz Daggerboard 1 | 3D CAD Engineering Model

.STEP
Free
From The Boat Propeller 1 | 3D CAD Engineering Model
MARINE · BOAT PROPELLER

From The Boat Propeller 1 | 3D CAD Engineering Model

.STEP
Free
Marine Propeller 5 | 3D CAD Engineering Model
MARINE · MARINE PROPELLER 5

Marine Propeller 5 | 3D CAD Engineering Model

.STEP
Free
Propeller 5 Blades 1 | 3D CAD Engineering Model
MARINE · PROPELLER

Propeller 5 Blades 1 | 3D CAD Engineering Model

.STEP