design prototyping CAD Models

Browse design prototyping 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
519 models2D drawings
Sort by:
Free
Sk4 023 1 | Industrial CAD Design
INDUSTRIAL DESIGN · SK4 023 1

Sk4 023 1 | Industrial CAD Design

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Tutorial 3 | Industrial CAD Design
INDUSTRIAL DESIGN · TUTORIAL 3

Tutorial 3 | Industrial CAD Design

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Broken Part From Shaving Machine 2 | Industrial CAD Design
INDUSTRIAL DESIGN · BROKEN PART

Broken Part From Shaving Machine 2 | Industrial CAD Design

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Tool Cart 21 | Industrial CAD Design
INDUSTRIAL DESIGN · TOOL CART 21

Tool Cart 21 | Industrial CAD Design

.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
Piston 871 | Industrial CAD Design
MACHINE DESIGN · PISTON 871

Piston 871 | Industrial CAD Design

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Rubic S Cube 6 | Industrial CAD Design
INDUSTRIAL DESIGN · RUBIC S CUBE 6

Rubic S Cube 6 | Industrial CAD Design

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Rego A9091 Roto Gauge 1 | Industrial CAD Design
INDUSTRIAL DESIGN · REGO A9091 ROTO GAUGE

Rego A9091 Roto Gauge 1 | Industrial CAD Design

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Trolley 205 | Industrial CAD Design
INDUSTRIAL DESIGN · TROLLEY 205

Trolley 205 | Industrial CAD Design

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Fuselage Model 1 | Industrial CAD Design
AEROSPACE · FUSELAGE MODEL 1

Fuselage Model 1 | Industrial CAD Design

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Dog Bone Specimen 1 | Industrial CAD Design
INDUSTRIAL DESIGN · DOG BONE SPECIMEN 1

Dog Bone Specimen 1 | Industrial CAD Design

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Sk4 8080 1 1 | Industrial CAD Design
INDUSTRIAL DESIGN · SK4 8080 1 1

Sk4 8080 1 1 | Industrial CAD Design

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Handle 201 | Industrial CAD Design
INDUSTRIAL DESIGN · HANDLE 201

Handle 201 | Industrial CAD Design

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Handwheel With Threaded Shaft 1 | Industrial CAD Design
MACHINE DESIGN · HANDWHEEL

Handwheel With Threaded Shaft 1 | Industrial CAD Design

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Tv Bedside Table 4 | Industrial CAD Design
INDUSTRIAL DESIGN · TV BEDSIDE TABLE 4

Tv Bedside Table 4 | Industrial CAD Design

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Trolley 2 3 | Industrial CAD Design
INDUSTRIAL DESIGN · TROLLEY 2 3

Trolley 2 3 | Industrial CAD Design

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Arbor Press 65 | Industrial CAD Design
MACHINE DESIGN · ARBOR PRESS 65

Arbor Press 65 | Industrial CAD Design

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Traffic Pole 1 | Industrial CAD Design
INDUSTRIAL DESIGN · TRAFFIC POLE 1

Traffic Pole 1 | Industrial CAD Design

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Sk2 092 1 | Industrial CAD Design
INDUSTRIAL DESIGN · SK2 092 1

Sk2 092 1 | Industrial CAD Design

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Practice 03 Basic Cad Experience 1 | Industrial CAD Design
INDUSTRIAL DESIGN · PRACTICE 03 BASIC CAD EXPERIENCE 1

Practice 03 Basic Cad Experience 1 | Industrial CAD Design

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Refrigerator 43 | Industrial CAD Design
INDUSTRIAL DESIGN · REFRIGERATOR 43

Refrigerator 43 | Industrial CAD Design

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Freezer 7 | Industrial CAD Design
INDUSTRIAL DESIGN · FREEZER 7

Freezer 7 | Industrial CAD Design

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Abb Irb 120 3 0 6 Industrial Robot | Industrial CAD Design
ROBOTICS · ABB IRB 120

Abb Irb 120 3 0 6 Industrial Robot | Industrial CAD Design

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
prev...1617181920...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