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
Adige Flag | 3D Engineering Design File
INDUSTRIAL DESIGN · ADIGE FLAG

Adige Flag | 3D Engineering Design File

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

Thin | 3D Engineering Design File

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

Магнитная Галтовка - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Mustang | 3D Engineering Design File
AUTOMOTIVE · MUSTANG

Mustang | 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
Key_Sword_2 | 3D Engineering Design File
3D PRINTING · KEY_SWORD_2

Key_Sword_2 | 3D Engineering Design File

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

Tufted Box | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Mitsubishi Keychain | 3D Engineering Design File
INDUSTRIAL DESIGN · MITSUBISHI

Mitsubishi Keychain | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Kinetic Sculpture | 3D Engineering Design File
INDUSTRIAL DESIGN · KINETIC SCULPTURE

Kinetic Sculpture | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Diamond Key Chain | 3D Engineering Design File
JEWELLERY · DIAMOND KEY CHAIN

Diamond Key Chain | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Original Wine Glass Freecad Tutorial | 3D Engineering Design File
INDUSTRIAL DESIGN · WINE GLASS

Original Wine Glass Freecad Tutorial | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
اللَّهُ نُورُ السَّمَاوَاتِ وَالْأَرْضِ Quran - Standard Mechanical Component
MACHINE DESIGN · QURAN

اللَّهُ نُورُ السَّمَاوَاتِ وَالْأَرْضِ Quran - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
الله جل جلالة Allah - Standard Mechanical Component
MACHINE DESIGN · ALLAH

الله جل جلالة Allah - Standard Mechanical Component

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

Mashallah ما شاء الله - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Ellie´S Rocket Pin (The Last Of Us Ii) | 3D Engineering Design File
3D PRINTING · ELLIES ROCKET PIN

Ellie´S Rocket Pin (The Last Of Us Ii) | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Reverse Engi̇neer - Standard Mechanical Component
MACHINE DESIGN · REVERSE ENGINEER

Reverse Engi̇neer - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Garbage Compactor Tail Gate | 3D Engineering Design File
MACHINE DESIGN · GARBAGE COMPACTOR TAIL GATE

Garbage Compactor Tail Gate | 3D Engineering Design File

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

È - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Truck Chassis | High-Quality CAD Model
AUTOMOTIVE · TRUCK CHASSIS

Truck Chassis | High-Quality CAD Model

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Al-D400 | 3D Engineering Design File
3D PRINTING · AL-D400

Al-D400 | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Platinum Ring With Diamond | 3D Engineering Design File
JEWELLERY · PLATINUM RING

Platinum Ring With Diamond | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Pendant For Necklaces | 3D Engineering Design File
JEWELLERY · PENDANT

Pendant For Necklaces | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Special Heart Ring Design | 3D Engineering Design File
JEWELLERY · HEART RING

Special Heart Ring Design | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
prev...7891011...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