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
S-175 U-Water | High-Quality CAD Model
MACHINE DESIGN · S-175 U-WATER

S-175 U-Water | High-Quality CAD Model

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Series 60 | High-Quality CAD Model
MACHINE DESIGN · SERIES 60

Series 60 | High-Quality CAD Model

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Submarino Via Rádio Controle Mk1 | High-Quality CAD Model
MARINE · SUBMARINO VIA RÁDIO CONTROLE MK1

Submarino Via Rádio Controle Mk1 | High-Quality CAD Model

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Anchor Chain 102Mm - Standard Mechanical Component
MACHINE DESIGN · ANCHOR CHAIN

Anchor Chain 102Mm - Standard Mechanical Component

.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
Seascooter | High-Quality CAD Model
MARINE · SEASCOOTER

Seascooter | High-Quality CAD Model

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Boat 16 - Standard Mechanical Component
MARINE · BOAT 16

Boat 16 - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Rim-Drive - Standard Mechanical Component
MACHINE DESIGN · RIM DRIVE

Rim-Drive - Standard Mechanical Component

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

Canoe - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Ø6.5Mm Propeller For Rov - Downloadable CAD Representation
MARINE · 6.5MM PROPELLER

Ø6.5Mm Propeller For Rov - Downloadable CAD Representation

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Water Scooter - Downloadable CAD Representation
MARINE · WATER SCOOTER

Water Scooter - Downloadable CAD Representation

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Dti Electric Drive - Standard Mechanical Component
MACHINE DESIGN · DTI ELECTRIC DRIVE

Dti Electric Drive - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Water Bottle - Standard Mechanical Component
MACHINE DESIGN · WATER BOTTLE

Water Bottle - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Pen Holder | 3D Engineering Design File
INDUSTRIAL DESIGN · PEN HOLDER

Pen Holder | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Exercise 082 - Standard Mechanical Component
MACHINE DESIGN · EXERCISE 082

Exercise 082 - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Fidget Sliding Screw - Downloadable CAD Representation
MACHINE DESIGN · FIDGET SLIDING SCREW

Fidget Sliding Screw - Downloadable CAD Representation

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Logo Himpunan Mahasiswa Mesin - Standard Mechanical Component
MACHINE DESIGN · LOGO HIMPUNAN MAHASISWA MESIN

Logo Himpunan Mahasiswa Mesin - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Exercise 085 - Standard Mechanical Component
MACHINE DESIGN · EXERCISE 085

Exercise 085 - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Siphon On D80 Pipe - Downloadable CAD Representation
INDUSTRIAL DESIGN · SIPHON

Siphon On D80 Pipe - Downloadable CAD Representation

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

Rose - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Testing Fusion Part 1 - Standard Mechanical Component
MACHINE DESIGN · TESTING FUSION PART 1

Testing Fusion Part 1 - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Testing Fusion Model Part 3 - Standard Mechanical Component
MACHINE DESIGN · TESTING FUSION MODEL PART 3

Testing Fusion Model Part 3 - Standard Mechanical Component

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Ferromagnetic Walls-Climbing Robot | High-Quality CAD Model
ROBOTICS · FERROMAGNETIC WALLS-CLIMBING ROBOT

Ferromagnetic Walls-Climbing Robot | High-Quality CAD Model

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
prev...1314151617...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