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
Process Adaptor Design for Industrial Applications
INDUSTRIAL DESIGN · PROCESS ADAPTOR

Process Adaptor Design for Industrial Applications

.STEP
Free
Precision Gear Shaft CAD Model for Mechanical Applications
MACHINE DESIGN · GEAR SHAFT

Precision Gear Shaft CAD Model for Mechanical Applications

.STEP
Free
Autonomous Minibus Concept for Public Transportation
AUTOMOTIVE · AUTONOMOUS VEHICLE

Autonomous Minibus Concept for Public Transportation

.STEP
Free
Industrial Component Model for Engineering Applications
MACHINE DESIGN · INDUSTRIAL COMPONENT

Industrial Component Model for Engineering Applications

.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
Crankshaft Assembly CAD Model for Engineering Practice
MACHINE DESIGN · CRANKSHAFT

Crankshaft Assembly CAD Model for Engineering Practice

.STEP
Free
Toyota 1NZ-FE Engine Control Unit (ECU) CAD Model
AUTOMOTIVE · TOYOTA 1NZ-FE

Toyota 1NZ-FE Engine Control Unit (ECU) CAD Model

.STEP
Free
Crankcase Ventilation Pipe Holder for Mazda Engines
AUTOMOTIVE · CRANKCASE VENTILATION

Crankcase Ventilation Pipe Holder for Mazda Engines

.STEP
Free
Spark Plug Wire Holder for Engine Management
AUTOMOTIVE · SPARK PLUG WIRE HOLDER

Spark Plug Wire Holder for Engine Management

.STEP
Free
Side Door Hinge for Industrial and Commercial Applications
INDUSTRIAL DESIGN · SIDE DOOR HINGE

Side Door Hinge for Industrial and Commercial Applications

.STEP
Free
Crankshaft CAD Model for Engine Component Design
AUTOMOTIVE · CRANKSHAFT

Crankshaft CAD Model for Engine Component Design

.STEP
Free
Robotic Hand Claw Driven by DC Motor and Lead Screw for Industrial Applications
ROBOTICS · ROBOTIC HAND CLAW

Robotic Hand Claw Driven by DC Motor and Lead Screw for Industrial Applications

.STEP
Free
2 Degree of Freedom Camera Stabilizer with Dual Axis Rotation
ROBOTICS · 2 DEGREE OF FREEDOM

2 Degree of Freedom Camera Stabilizer with Dual Axis Rotation

.STEP
Free
Automated Guided Vehicle (AGV) CAD Model
ROBOTICS · AUTOMATED GUIDED VEHICLE

Automated Guided Vehicle (AGV) CAD Model

.STEP
Free
Cam with Spring Mechanism CAD Model
MACHINE DESIGN · CAM

Cam with Spring Mechanism CAD Model

.STEP
Free
Three-Wire Spark Plug Holder for Automotive Applications
AUTOMOTIVE · SPARK PLUG HOLDER

Three-Wire Spark Plug Holder for Automotive Applications

.STEP
Free
Additive Manufacturing Platform with FDM Printing Features
3D PRINTING · ADDITIVE MANUFACTURING PLATFORM

Additive Manufacturing Platform with FDM Printing Features

.STEP
Free
Trailer Caravan Jockey Wheel Clamp 48mm 300kg Zinc Plated
AUTOMOTIVE · TRAILER CARAVAN

Trailer Caravan Jockey Wheel Clamp 48mm 300kg Zinc Plated

.STEP
Free
Precision Mechanical Component for Industrial Applications
MACHINE DESIGN · MECHANICAL COMPONENT

Precision Mechanical Component for Industrial Applications

.STEP
Free
Front Suspension System Component for FSAE Car
AUTOMOTIVE · FRONT SUSPENSION

Front Suspension System Component for FSAE Car

.STEP
Free
Rear Suspension System Design for FSAE Vehicle
AUTOMOTIVE · REAR SUSPENSION

Rear Suspension System Design for FSAE Vehicle

.STEP
Free
Industrial Mechanical Component
MACHINE DESIGN · MECHANICAL COMPONENT

Industrial Mechanical Component

.STEP
Free
FSAE Car Body Design for Automotive Engineering
AUTOMOTIVE · FSAE

FSAE Car Body Design for Automotive Engineering

.STEP