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
5644 models2D drawings
Sort by:
Free
12-Volt DC Motor with 1:41 Gear Ratio and 255 RPM Speed
MACHINE DESIGN · 12-VOLT DC MOTOR

12-Volt DC Motor with 1:41 Gear Ratio and 255 RPM Speed

.STEP
Free
Reverse Engineered Mechanical Component Model
MACHINE DESIGN · REVERSE ENGINEERING

Reverse Engineered Mechanical Component Model

.STEP
Free
Industrial Component Model Version 0.5
MACHINE DESIGN · INDUSTRIAL COMPONENT

Industrial Component Model Version 0.5

.STEP
Free
Industrial Component LT-3141 CAD Model
MACHINE DESIGN · INDUSTRIAL COMPONENT

Industrial Component LT-3141 CAD 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
RUBRUKS MVM-PM1-10 Reversible Synchronous AC Electric Motor with Permanent Magnets
MACHINE DESIGN · RUBRUKS MVM-PM1-10

RUBRUKS MVM-PM1-10 Reversible Synchronous AC Electric Motor with Permanent Magnets

.STEP
Free
Industrial Component Model Version 0.6
MACHINE DESIGN · INDUSTRIAL COMPONENT

Industrial Component Model Version 0.6

.STEP
Free
High Speed Commutator Motor for Grain Grinding Machines
MACHINE DESIGN · HIGH SPEED COMMUTATOR MOTOR

High Speed Commutator Motor for Grain Grinding Machines

.STEP
Free
Linear Actuator with 1200 mm Stroke and Left Motor XNTD22-BL-1200
MACHINE DESIGN · 1200 MM STROKE

Linear Actuator with 1200 mm Stroke and Left Motor XNTD22-BL-1200

.STEP
Free
AC Servomotor with Planetary Gearbox and Brake HK-KR13BG5_5
MACHINE DESIGN · AC SERVOMOTOR

AC Servomotor with Planetary Gearbox and Brake HK-KR13BG5_5

.STEP
Free
Mounting Plate 3PS19-20 OST 107.680225.001-86 Industrial Component
MACHINE DESIGN · MOUNTING PLATE

Mounting Plate 3PS19-20 OST 107.680225.001-86 Industrial Component

.STEP
Free
Linear Actuator with 1200 mm Stroke and Right Motor XNTD22-BR-1200
MACHINE DESIGN · 1200 MM STROKE

Linear Actuator with 1200 mm Stroke and Right Motor XNTD22-BR-1200

.STEP
Free
Industrial CAD Model with Step and Parasolid Formats
MACHINE DESIGN · STEP FORMAT

Industrial CAD Model with Step and Parasolid Formats

.STEP
Free
Precision 3D Model of Mechanical Component with Label Detail
MACHINE DESIGN · MECHANICAL COMPONENT

Precision 3D Model of Mechanical Component with Label Detail

.STEP
Free
GRPM2-62ShPl2-V Hydraulic Component TUA Assembly
MACHINE DESIGN · HYDRAULIC COMPONENT

GRPM2-62ShPl2-V Hydraulic Component TUA Assembly

.STEP
Free
GRPM2-30GPL2 Rotor Component TUA 430424.006
MACHINE DESIGN · GRPM2-30GPL2

GRPM2-30GPL2 Rotor Component TUA 430424.006

.STEP
Free
GRPM2-90GPL2 Rotor Component TUA 430424.006
MACHINE DESIGN · GRPM2-90GPL2

GRPM2-90GPL2 Rotor Component TUA 430424.006

.STEP
Free
GRPM2-62GPL2 Rotor Component TUA 430424.006
MACHINE DESIGN · GRPM2-62GPL2

GRPM2-62GPL2 Rotor Component TUA 430424.006

.STEP
Free
GRPM2-46GPL2 Rotor Component TUA 430424.006
MACHINE DESIGN · GRPM2-46GPL2

GRPM2-46GPL2 Rotor Component TUA 430424.006

.STEP
Free
RTELLIGENT T60 Stepper Servo Driver for CNC Machine Design
MACHINE DESIGN · RTELLIGENT T60

RTELLIGENT T60 Stepper Servo Driver for CNC Machine Design

.STEP
Free
Linear Actuator with 1200 mm Stroke and Central Motor
MACHINE DESIGN · 1200 MM STROKE

Linear Actuator with 1200 mm Stroke and Central Motor

.STEP
Free
Planetary Gear AC Servo Motor HK-KR73BG1_5 with Brake and Gear Ratio 5
MACHINE DESIGN · PLANETARY GEAR

Planetary Gear AC Servo Motor HK-KR73BG1_5 with Brake and Gear Ratio 5

.STEP
Free
Planetary Gear AC Servo Motor HK-KR73BG1_5 with Gear Ratio 5
MACHINE DESIGN · PLANETARY GEAR

Planetary Gear AC Servo Motor HK-KR73BG1_5 with Gear Ratio 5

.STEP