engineering assembly CAD Models

Browse engineering assembly CAD models used in real projects. Preview online and download STEP/STP, IGES, STL and more. Filter by category, file type, price and popularity.

All3D PrintingAerospaceArchitectureAutomotiveAviationChemicalConstructionElectricalEnergy And PowerIndustrial DesignJewelleryMachine designMarineMedicalRobotics
892 models2D drawings
Sort by:
Free
Catalina Mlg - Standard Mechanical Component
MACHINE DESIGN · CATALINA MLG

Catalina Mlg - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Vulcan Bomber Mlg - Standard Mechanical Component
AEROSPACE · VULCAN BOMBER MLG

Vulcan Bomber Mlg - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Darwinfpv Toruk13 - Downloadable CAD Representation
ROBOTICS · DARWINFPV TORUK13

Darwinfpv Toruk13 - Downloadable CAD Representation

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Пульт Tx12 | High-Quality CAD Model
MACHINE DESIGN · TX12

Пульт Tx12 | High-Quality CAD Model

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview

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
Yoghurt Mark 1 - Standard Mechanical Component
MACHINE DESIGN · YOGHURT MARK 1

Yoghurt Mark 1 - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Bird Flying Mechanism - 3D Model | Catia Design | High-Quality CAD Model
ROBOTICS · BIRD FLYING MECHANISM

Bird Flying Mechanism - 3D Model | Catia Design | High-Quality CAD Model

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Drone Soccer | High-Quality CAD Model
ROBOTICS · DRONE SOCCER

Drone Soccer | High-Quality CAD Model

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Nut M4 | 3D Engineering Design File
MACHINE DESIGN · NUT M4

Nut M4 | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Polliwagen Experimental Aircraft - Standard Mechanical Component
AVIATION · POLLIWAGEN

Polliwagen Experimental Aircraft - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Rc Atr 72 | High-Quality CAD Model
AVIATION · RC ATR 72

Rc Atr 72 | High-Quality CAD Model

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Drone Frame - Standard Mechanical Component
ROBOTICS · DRONE FRAME

Drone Frame - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Portable Led Touchscreen Monitor - Downloadable CAD Representation
INDUSTRIAL DESIGN · PORTABLE LED TOUCHSCREEN MONITOR

Portable Led Touchscreen Monitor - Downloadable CAD Representation

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Space Station - Standard Mechanical Component
AEROSPACE · SPACE STATION

Space Station - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Design And Analysis Of Morphing Rocket Nozzle For Thrust Vector Control - Downloadable CAD Representation
AEROSPACE · MORPHING ROCKET NOZZLE

Design And Analysis Of Morphing Rocket Nozzle For Thrust Vector Control - Downloadable CAD Representation

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Massager - Downloadable CAD Representation
MEDICAL · MASSAGER

Massager - Downloadable CAD Representation

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Diy 3D Printer - Standard Mechanical Component
3D PRINTING · DIY 3D PRINTER

Diy 3D Printer - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Cards Keeper For Skrew - Standard Mechanical Component
MACHINE DESIGN · CARDS KEEPER FOR SKREW

Cards Keeper For Skrew - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Ds3225 25Kg | 3D Engineering Design File
ROBOTICS · DS3225 25KG

Ds3225 25Kg | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Socket(Розетка) - Standard Mechanical Component
MACHINE DESIGN · SOCKET

Socket(Розетка) - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Mini Winch 3D Printed - Standard Mechanical Component
MACHINE DESIGN · MINI WINCH

Mini Winch 3D Printed - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
5 Way Button | 3D Engineering Design File
MACHINE DESIGN · 5 WAY BUTTON

5 Way Button | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Electrical Fuse Box - Sheet Metal Model - Standard Mechanical Component
ELECTRICAL · ELECTRICAL FUSE BOX

Electrical Fuse Box - Sheet Metal Model - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
prev...3637383940...next
Marathon OS logoThe CAD marketplace for modern teams
HomeAbout usWhy us?Contact us
Tools3D to 2D Drawing Pipeline3D CAD Viewer3D CAD File Converter
Library
Hire CAD Designers
Production-ready in 24 hrs
👤
→
2D Library
Ask a question
Privacy Policy|Terms of Service|Refund Policy|
© Marathon 2025 All Rights Reserved