mechanical design CAD Models

Browse mechanical 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
1390 models2D drawings
Sort by:
Free
V6 Engine Valve CAD Model
AUTOMOTIVE · V6 ENGINE

V6 Engine Valve CAD Model

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Traditional V8 Engine Prototype Model
AUTOMOTIVE · V8 ENGINE

Traditional V8 Engine Prototype Model

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Crankshaft Assembly CAD Model for Engineering Practice
MACHINE DESIGN · CRANKSHAFT

Crankshaft Assembly CAD Model for Engineering Practice

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Motorcycle Conversion Motor Mount Design for Institutional Project
AUTOMOTIVE · MOTOR MOUNT

Motorcycle Conversion Motor Mount Design for Institutional Project

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Motorcycle Drive Chain CAD Model for Mechanical Design
AUTOMOTIVE · MOTORCYCLE DRIVE CHAIN

Motorcycle Drive Chain CAD Model for Mechanical Design

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
3D Engine Assembly Model Rendered Image
AUTOMOTIVE · ENGINE ASSEMBLY

3D Engine Assembly Model Rendered Image

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Dummy Piston Head CAD Model for Engine Testing and Prototyping
AUTOMOTIVE · PISTON HEAD 135

Dummy Piston Head CAD Model for Engine Testing and Prototyping

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Scissor Jack Design for Versatile Lifting Applications
MACHINE DESIGN · MAKASLI KRIKO 1

Scissor Jack Design for Versatile Lifting Applications

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
4 Stroke Piston Model with Motion Simulation
MACHINE DESIGN · 4 STROKE PISTON

4 Stroke Piston Model with Motion Simulation

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Steering System CAD Model for Engineering Design
AUTOMOTIVE · STEERING 15

Steering System CAD Model for Engineering Design

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
OB7-PG2 Robotic Gripper for OB7 Robotic Arms
ROBOTICS · ROBOTIC GRIPPER

OB7-PG2 Robotic Gripper for OB7 Robotic Arms

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Gruebler's Count 3D Mechanism Design Model for Durable Machines
AEROSPACE · LE F 111

Gruebler's Count 3D Mechanism Design Model for Durable Machines

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Delivery Robot Model for Efficient Logistics
ROBOTICS · DELIVERY ROBOT

Delivery Robot Model for Efficient Logistics

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Mecanum Wheel CAD Model for Omnidirectional Mobility
ROBOTICS · MECAUNUM WHEEL 1

Mecanum Wheel CAD Model for Omnidirectional Mobility

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Detailed 3D Model of HP 16 Engine for Engineering Insights
MACHINE DESIGN · HP 16 ENGINE MODEL 1

Detailed 3D Model of HP 16 Engine for Engineering Insights

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
15cc Flat Twin Model Aircraft Engine Design
MACHINE DESIGN · 15CC FLAT TWIN 1

15cc Flat Twin Model Aircraft Engine Design

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Switchblade Wing Mechanism Sample with Extension Springs
AEROSPACE · SWITCHBLADE WING MECHANISM

Switchblade Wing Mechanism Sample with Extension Springs

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
3U CubeSat Deployer with Motorized Door and Magnetic Clamp Mechanism
AEROSPACE · CUBESAT DEPLOYER 1

3U CubeSat Deployer with Motorized Door and Magnetic Clamp Mechanism

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Upper Assembly Component for Design Reference
MACHINE DESIGN · AAP01 UPPER ASSEMBLY 1

Upper Assembly Component for Design Reference

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Moving Drum Bed for Conveyor System Tensioning
INDUSTRIAL DESIGN · MOVING DRUM BED 1

Moving Drum Bed for Conveyor System Tensioning

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
RC Car Suspension Model for Design and Engineering
AUTOMOTIVE · RC CAR SUSPENSION 3

RC Car Suspension Model for Design and Engineering

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
4 POM Wheel Gantry CAD Model for Mechanical Design
MACHINE DESIGN · 4 WHEEL GANTRY

4 POM Wheel Gantry CAD Model for Mechanical Design

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
prev...23456...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