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
Reversible Egk And Sl Secondary Latch | 3D Engineering Design File
MACHINE DESIGN · REVERSIBLE EGK LATCH

Reversible Egk And Sl Secondary Latch | 3D Engineering Design File

.STEP
Free
Seitendeckel - Standard Mechanical Component
MACHINE DESIGN · SEITENDECKEL

Seitendeckel - Standard Mechanical Component

.STEP
Free
A 2X1 Cylinder Steam Engine With Reverser For A Paddle Steamer - Standard Mechanical Component
MACHINE DESIGN · 2X1 CYLINDER STEAM ENGINE

A 2X1 Cylinder Steam Engine With Reverser For A Paddle Steamer - Standard Mechanical Component

.STEP
Free
Casting Model 7 - Nut Design | 3D Engineering Design File
MACHINE DESIGN · CASTING MODEL 7

Casting Model 7 - Nut Design | 3D Engineering Design File

.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
Ry_X11_Edf - Standard Mechanical Component
MACHINE DESIGN · RY_X11_EDF

Ry_X11_Edf - Standard Mechanical Component

.STEP
Free
New - Standard Mechanical Component
MACHINE DESIGN · STANDARD MECHANICAL COMPONENT

New - Standard Mechanical Component

.STEP
Free
Kettenrad Ritzel - Downloadable CAD Representation
MACHINE DESIGN · KETTENRAD RITZEL

Kettenrad Ritzel - Downloadable CAD Representation

.STEP
Free
Hinge Clamp - Standard Mechanical Component
MACHINE DESIGN · HINGE CLAMP

Hinge Clamp - Standard Mechanical Component

.STEP
Free
Yo-Yo And Lock Mechanism | 3D Engineering Design File
MACHINE DESIGN · YO-YO

Yo-Yo And Lock Mechanism | 3D Engineering Design File

.STEP
Free
908 | 3D Engineering Design File
MACHINE DESIGN · MANUFACTURING SIMULATION

908 | 3D Engineering Design File

.STEP
Free
Gear/Rack Mechanism Release | 3D Engineering Design File
MACHINE DESIGN · GEAR MECHANISM

Gear/Rack Mechanism Release | 3D Engineering Design File

.STEP
Free
Rc - Retaining Clamp And - Egk Reversible - Downloadable CAD Representation
MACHINE DESIGN · RETAINING CLAMP

Rc - Retaining Clamp And - Egk Reversible - Downloadable CAD Representation

.STEP
Free
Mechanism Frfl | 3D Engineering Design File
MACHINE DESIGN · MECHANISM FRFL

Mechanism Frfl | 3D Engineering Design File

.STEP
Free
Pin Release | 3D Engineering Design File
MACHINE DESIGN · PIN RELEASE

Pin Release | 3D Engineering Design File

.STEP
Free
Examen Final | 3D Engineering Design File
MACHINE DESIGN · EXAMEN FINAL

Examen Final | 3D Engineering Design File

.STEP
Free
Barrel Cam Rotation - Downloadable CAD Representation
MACHINE DESIGN · BARREL CAM

Barrel Cam Rotation - Downloadable CAD Representation

.STEP
Free
Revised Bajonet Closure | High-Quality CAD Model
MACHINE DESIGN · REVISED BAJONET CLOSURE

Revised Bajonet Closure | High-Quality CAD Model

.STEP
Free
Slot Restricted Spring-Pin Trigger Release Mechanism - Standard Mechanical Component
MACHINE DESIGN · SLOT RESTRICTED SPRING-PIN

Slot Restricted Spring-Pin Trigger Release Mechanism - Standard Mechanical Component

.STEP
Free
M3 X 6 To 15Mm Hex Socket Cap Screw - Downloadable CAD Representation
MACHINE DESIGN · M3 HEX SOCKET CAP SCREW

M3 X 6 To 15Mm Hex Socket Cap Screw - Downloadable CAD Representation

.STEP
Free
Jig Frame Pipe Tube Manifold Ø48.3 | High-Quality CAD Model
MACHINE DESIGN · JIG FRAME

Jig Frame Pipe Tube Manifold Ø48.3 | High-Quality CAD Model

.STEP
Free
Cable Cart - Standard Mechanical Component
MACHINE DESIGN · CABLE CART

Cable Cart - Standard Mechanical Component

.STEP
Free
Example Of A Sheet Metal Design - Downloadable CAD Representation
MACHINE DESIGN · SHEET METAL

Example Of A Sheet Metal Design - Downloadable CAD Representation

.STEP