engineering design CAD Models

Browse engineering design 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
475 models2D drawings
Sort by:
Free
Motor Stepper | 3D Engineering Design File
MACHINE DESIGN · MOTOR STEPPER

Motor Stepper | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Soporte Fijo Prensa - Downloadable CAD Representation
MACHINE DESIGN · SOPORTE FIJO PRENSA

Soporte Fijo Prensa - Downloadable CAD Representation

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Burr Trolley . - Downloadable CAD Representation
MACHINE DESIGN · BURR TROLLEY

Burr Trolley . - Downloadable CAD Representation

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
3.5Mtr Movable Ladder. | 3D Engineering Design File
MACHINE DESIGN · MOVABLE LADDER

3.5Mtr Movable Ladder. | 3D Engineering Design File

.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
Shaft Holder Sk25 | 3D Engineering Design File
MACHINE DESIGN · SHAFT HOLDER

Shaft Holder Sk25 | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Пилон - Standard Mechanical Component
MACHINE DESIGN · STANDARD MECHANICAL COMPONENT

Пилон - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Стойка - Downloadable CAD Representation
MACHINE DESIGN · СТОЙКА

Стойка - Downloadable CAD Representation

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Монорельс - Standard Mechanical Component
MACHINE DESIGN · МОНОРЕЛЬС

Монорельс - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Зонты Вент Шахты - Standard Mechanical Component
MACHINE DESIGN · STANDARD MECHANICAL COMPONENT

Зонты Вент Шахты - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Донстрой. Остров. 5 Корпус. - Standard Mechanical Component
MACHINE DESIGN · STANDARD MECHANICAL COMPONENT

Донстрой. Остров. 5 Корпус. - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Multi-Linkage Hinge | 3D Engineering Design File
MACHINE DESIGN · MULTI-LINKAGE HINGE

Multi-Linkage Hinge | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Over Head Roll Up Door | 3D Engineering Design File
MACHINE DESIGN · OVER HEAD ROLL UP DOOR

Over Head Roll Up Door | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Stan Hp | 3D Engineering Design File
3D PRINTING · STAN HP

Stan Hp | 3D Engineering Design File

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

Chainmill | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Bubble Airlock | 3D Engineering Design File
MACHINE DESIGN · BUBBLE AIRLOCK

Bubble Airlock | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Box | 3D Engineering Design File
3D PRINTING · BOX

Box | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Industrial Railing 18M | 3D Engineering Design File
CONSTRUCTION · INDUSTRIAL RAILING

Industrial Railing 18M | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Conveyor Roller Ø82.5Mm | 3D Engineering Design File
MACHINE DESIGN · CONVEYOR ROLLER

Conveyor Roller Ø82.5Mm | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Tsa Middle School Structural Bridge | 3D Engineering Design File
CONSTRUCTION · STRUCTURAL BRIDGE

Tsa Middle School Structural Bridge | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Kst Ds725Mg - Downloadable CAD Representation
ROBOTICS · KST DS725MG

Kst Ds725Mg - Downloadable CAD Representation

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Inertial Rolling Ruler Ir-2 | 3D Engineering Design File
MACHINE DESIGN · INERTIAL ROLLING RULER IR-2

Inertial Rolling Ruler Ir-2 | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Смесительный Узел Вентиляции (24020045) | 3D Engineering Design File
MACHINE DESIGN · 240SERVO MOTOR NR20045

Смесительный Узел Вентиляции (24020045) | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
prev...1415161718...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