Machine design CAD Models

Explore Machine design 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
5639 models2D drawings
Sort by:
Free
Weight Pick Up Tool | High-Quality CAD Model
MACHINE DESIGN · WEIGHT PICK UP TOOL

Weight Pick Up Tool | High-Quality CAD Model

.STEP
Free
Sc-30 | High-Quality CAD Model
MACHINE DESIGN · SC-30

Sc-30 | High-Quality CAD Model

.STEP
Free
Poc-650 - Downloadable CAD Representation
MACHINE DESIGN · POC-650

Poc-650 - Downloadable CAD Representation

.STEP
Free
Packing Box Shaft Seal-Splittable - Downloadable CAD Representation
MACHINE DESIGN · PACKING BOX SHAFT SEAL

Packing Box Shaft Seal-Splittable - 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
3D Printable - Tf25 Collet Storage Tray (Sr20 Swiss Collets) | 3D Engineering Design File
MACHINE DESIGN · TF25 COLLET STORAGE TRAY

3D Printable - Tf25 Collet Storage Tray (Sr20 Swiss Collets) | 3D Engineering Design File

.STEP
Free
Turbo Impeller (Generic) | 3D Engineering Design File
MACHINE DESIGN · TURBO IMPELLER

Turbo Impeller (Generic) | 3D Engineering Design File

.STEP
Free
Propeller 5-Blade - Standard Mechanical Component
MACHINE DESIGN · PROPELLER 5-BLADE

Propeller 5-Blade - Standard Mechanical Component

.STEP
Free
2Nd Stage Cyclon 5000 - Downloadable CAD Representation
MACHINE DESIGN · 2ND STAGE CYCLON 5000

2Nd Stage Cyclon 5000 - Downloadable CAD Representation

.STEP
Free
Pipe With Flange | 3D Engineering Design File
MACHINE DESIGN · PIPE

Pipe With Flange | 3D Engineering Design File

.STEP
Free
Dti Electric Drive - Standard Mechanical Component
MACHINE DESIGN · DTI ELECTRIC DRIVE

Dti Electric Drive - Standard Mechanical Component

.STEP
Free
Dual Dti Electric Drive - Downloadable CAD Representation
MACHINE DESIGN · DUAL DTI ELECTRIC DRIVE

Dual Dti Electric Drive - Downloadable CAD Representation

.STEP
Free
Hv-550 And Hv-850 Dti Inverter - Standard Mechanical Component
MACHINE DESIGN · HV-550

Hv-550 And Hv-850 Dti Inverter - Standard Mechanical Component

.STEP
Free
Modified Tesla Turbine - Standard Mechanical Component
MACHINE DESIGN · TESLA TURBINE

Modified Tesla Turbine - Standard Mechanical Component

.STEP
Free
Water Bottle - Standard Mechanical Component
MACHINE DESIGN · WATER BOTTLE

Water Bottle - Standard Mechanical Component

.STEP
Free
Pattern | 3D Engineering Design File
MACHINE DESIGN · PATTERN

Pattern | 3D Engineering Design File

.STEP
Free
Exercise 082 - Standard Mechanical Component
MACHINE DESIGN · EXERCISE 082

Exercise 082 - Standard Mechanical Component

.STEP
Free
Archon Type B Gen 2 Mag Release Extensions | 3D Engineering Design File
MACHINE DESIGN · ARCHON TYPE B GEN 2

Archon Type B Gen 2 Mag Release Extensions | 3D Engineering Design File

.STEP
Free
Esercizio 132 | 3D Engineering Design File
MACHINE DESIGN · ESERCIZIO 132

Esercizio 132 | 3D Engineering Design File

.STEP
Free
Fidget Sliding Screw - Downloadable CAD Representation
MACHINE DESIGN · FIDGET SLIDING SCREW

Fidget Sliding Screw - Downloadable CAD Representation

.STEP
Free
Logo Himpunan Mahasiswa Mesin - Standard Mechanical Component
MACHINE DESIGN · LOGO HIMPUNAN MAHASISWA MESIN

Logo Himpunan Mahasiswa Mesin - Standard Mechanical Component

.STEP
Free
Exercise 083 | 3D Engineering Design File
MACHINE DESIGN · EXERCISE 083

Exercise 083 | 3D Engineering Design File

.STEP
Free
Exercise 085 - Standard Mechanical Component
MACHINE DESIGN · EXERCISE 085

Exercise 085 - Standard Mechanical Component

.STEP