Online .STEP to .STL Converter

PolyD is the most confidential and secure way of Industrial 3D Printing Service on the market, at competitive prices, with the widest choice of materials and finishes.Try it now. Register now and get a € 15 discount.

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Free Online 3D Print File Converter Fast and Easy

Quickly convert .STEP files to .STL for free

Supports all devices

The converter is browser-based; it works with all platforms. No need to download and install software.

Complete security

Your files are not saved on our system. They are just converted quickly, securely and free of charge.

Advanced settings

You can choose your file size between

- low resolution, with a maximum file size of 50 Mb;

- average resolution, with a maximum file size of 20 Mb;

- high resolution, with a maximum file size of 10Mb.

Read more in our blog article:

https://polyd.com/en/blog/convertitore-online-step-stl