🎉 100% Free to Use! Just register and start creating amazing 3D terrain models.

📝 Step 1: Register or log in • Step 2: Get your free OpenTopography API key • Step 3: Start creating!

Transform Terrain Into 3D Reality

Generate professional-grade 3D printable terrain models from real-world elevation data. Perfect for architects, educators, geologists, and 3D printing enthusiasts. Completely free!

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10+

DEM Sources

30m

Resolution

100%

Web-Based

Powerful Features

Everything you need to create stunning terrain models.

🗺️

Interactive Mapping

Select any location on Earth with an intuitive map interface powered by OpenStreetMap.

⚡

Web Workers Processing

Background processing for mesh generation improves responsiveness during the most intensive computation phase.

🚀

Processing Modes

Choose between browser, cloud (coming soon), or local Docker processing for optimal performance.

📐

Customizable Models

Fine-tune dimensions, vertical exaggeration, smoothness, and resolution to your exact needs.

🎨

Multiple DEM Sources

Access SRTM, NASADEM, Copernicus, ALOS World 3D, and more elevation datasets.

💨

Instant Cancellation

Cancel operations at any time with responsive controls that terminate processing immediately.

🔄

Real-Time Preview

View your 3D model instantly with interactive Three.js visualization before downloading.

📱

Fully Responsive

Works seamlessly on desktop, tablet, and mobile devices with optimized touch controls.

💾

Ready to Print

Download STL or 3MF files compatible with all major 3D printing software which enables multi-material/multi-color printing.

Additional Service

Professional 3D printing cost estimation for any model

🖨️

Print-Calculator

Free tool available to everyone - no registration required

Get instant cost estimates and personalized quotes for 3D printing any model - whether generated by our 3D Topo app or from any other source (figurines, prototypes, mechanical parts, etc.).

✓ Free to use - Works with any STL, OBJ or 3DS file

✓ Instant estimates - Get approximate costs immediately

✓ Custom quotes - Contact directly for personalized pricing

Access Print-Calculator (Free)

About the Creator

Meet the developer behind 3D Topo Generator

Created by Carmelo Sammarco (Sicilian4Ever), this tool represents the intersection of geospatial science and modern web technology. Built with passion for cartography, 3D printing, and open-source software.

The application leverages cutting-edge web technologies including Three.js for 3D rendering, Leaflet for interactive mapping, and modern DEM processing algorithms to deliver professional-grade results directly in your browser.

Carmelo Sammarco

Sicilian4Ever