Engineering CAD Design Library

Browse quality-checked 3D CAD models for engineering, product design, prototyping and manufacturing. Preview models online and download files in STEP, STP, IGES, STL, OBJ, PLY, DWG, DXF and more.

10,000+ models2D drawings
Sort by:
Free
Pipe Fitting 18 | 3D CAD Engineering Model
INDUSTRIAL DESIGN · PIPE FITTING 18

Pipe Fitting 18 | 3D CAD Engineering Model

.STEP
Free
Boat Handrail 1 | 3D CAD Engineering Model
MARINE · BOAT HANDRAIL 1

Boat Handrail 1 | 3D CAD Engineering Model

.STEP
Free
Boat Propeller 16 | 3D CAD Engineering Model
MARINE · BOAT PROPELLER 16

Boat Propeller 16 | 3D CAD Engineering Model

.STEP
Free
Falmouth Working Boat Hull Lofting 1 | 3D CAD Engineering Model
MARINE · FALMOUTH WORKING BOAT

Falmouth Working Boat Hull Lofting 1 | 3D CAD Engineering Model

.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
Two Way Valve 5 | 3D CAD Engineering Model
INDUSTRIAL DESIGN · TWO WAY VALVE 5

Two Way Valve 5 | 3D CAD Engineering Model

.STEP
Free
Mk Push Pull Mig Welding Gun 1 | 3D CAD Engineering Model
MACHINE DESIGN · MK PUSH PULL MIG WELDING GUN 1

Mk Push Pull Mig Welding Gun 1 | 3D CAD Engineering Model

.STEP
Free
Boat Trailer Light Brackets 1 | 3D CAD Engineering Model
MARINE · BOAT TRAILER

Boat Trailer Light Brackets 1 | 3D CAD Engineering Model

.STEP
Free
Propeller 451 | 3D CAD Engineering Model
AVIATION · PROPELLER451

Propeller 451 | 3D CAD Engineering Model

.STEP
Free
Tcg Istanbul Concept Destroyer 1 | 3D CAD Engineering Model
MARINE · TCG ISTANBUL

Tcg Istanbul Concept Destroyer 1 | 3D CAD Engineering Model

.STEP
Free
Portal Crane 37M 34Ton 16Ton 1 | 3D CAD Engineering Model
CONSTRUCTION · PORTAL CRANE

Portal Crane 37M 34Ton 16Ton 1 | 3D CAD Engineering Model

.STEP
Free
Steam Engine Passarola 1 | 3D CAD Engineering Model
MACHINE DESIGN · STEAM ENGINE

Steam Engine Passarola 1 | 3D CAD Engineering Model

.STEP
Free
Maintenance Trolley Components Dincons 2 | 3D CAD Engineering Model
INDUSTRIAL DESIGN · MAINTENANCE TROLLEY

Maintenance Trolley Components Dincons 2 | 3D CAD Engineering Model

.STEP
Free
Bass Sign 1 | 3D CAD Engineering Model
3D PRINTING · BASS SIGN 1

Bass Sign 1 | 3D CAD Engineering Model

.STEP
Free
Spraying Machine 2 | 3D CAD Engineering Model
INDUSTRIAL DESIGN · SPRAYING MACHINE 2

Spraying Machine 2 | 3D CAD Engineering Model

.STEP
Free
Fluke 60 1 | 3D CAD Engineering Model
ELECTRICAL · FLUKE 60 1

Fluke 60 1 | 3D CAD Engineering Model

.STEP
Free
Motor Cruiser Aptilla 12M 1 | 3D CAD Engineering Model
MARINE · MOTOR CRUISER

Motor Cruiser Aptilla 12M 1 | 3D CAD Engineering Model

.STEP
Free
Impeller 436 | 3D CAD Engineering Model
MACHINE DESIGN · IMPELLER 436

Impeller 436 | 3D CAD Engineering Model

.STEP
Free
Catamaran Race Boat 1 | 3D CAD Engineering Model
MARINE · CATAMARAN RACE BOAT 1

Catamaran Race Boat 1 | 3D CAD Engineering Model

.STEP
Free
Trailer Boat 40Ft 1 | 3D CAD Engineering Model
MARINE · TRAILER BOAT 40FT 1

Trailer Boat 40Ft 1 | 3D CAD Engineering Model

.STEP
Free
Trmaran Moteur 23 Metres 1 | 3D CAD Engineering Model
MARINE · TRIMARAN

Trmaran Moteur 23 Metres 1 | 3D CAD Engineering Model

.STEP
Free
Weipu Wk20Zm 1 | 3D CAD Engineering Model
ELECTRICAL · WEIPU WK20ZM 1

Weipu Wk20Zm 1 | 3D CAD Engineering Model

.STEP
Free
Canoe Boat Hull 1 | 3D CAD Engineering Model
MARINE · CANOE

Canoe Boat Hull 1 | 3D CAD Engineering Model

.STEP