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Convert 3mf to stp

Free online 3MF to STP converter

Convert 3MF meshes to STEP for CAD exchange, with limitations on editable geometry and retained metadata.

Convert 3MF to STP online - free

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Your file is processed instantly and never stored on our servers.

How it works

  1. 1/3

    Upload your .3mf file

    Click to browse to select your file you want to convert or simply drag & drop your file into selected area.

  2. 2/3

    Perform .3mf to .stp conversion

    After successful file upload, click to convert when you are ready.

  3. 3/3

    Download converted .stp file

    Conversion result is ready to download.

How to convert 3mf to stp file

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A STEP-capable CAD program may reject a 3MF file because 3MF stores polygon meshes and 3D-printing data, while STEP stores CAD geometry. Converting it is useful when a supplier, inspection system, or mechanical CAD application requires .stp or .step.

Note: This 3mf to stp conversion record is incomplete, must be verified, and may contain inaccuracies. Please vote below whether you found this information helpful or not.

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3MF vs STP: format comparison

How the 3MF and STP formats compare on the properties that matter most for this conversion.

Comparison of the 3MF and STP file formats
Property .3MF 3D Manufacturing Format .STP STEP (Standard for the Exchange of Product model data)
Open standard Yes Yes
Compression Lossless Uncompressed
Typical file size Small Medium
Opens in a web browser No No
Further editing Limited Limited
Metadata support Extensive Extensive
Plain-text readable No Yes
Best used for Professional production Data exchange
Introduced 2015 1994
Developer 3MF Consortium ISO
MIME type model/3mf —
Open 3MF file Open STP file

Frequently asked questions

Is the 3MF to STP converter free?

Yes, converting 3MF to STP on 101convert.com is completely free. No registration, email address or installation is required. If you need a higher file size limit or want to convert more files at once, see our plans.

How large can my 3MF file be?

You can upload 3MF files up to 500 MB and convert up to 5 files at once in a single batch.

What happens to my uploaded files?

Files are processed automatically and deleted from our servers within a few minutes after conversion. We never view or share your files.

Do I need to install any software to convert 3MF to STP?

No. The 3MF to STP conversion runs entirely online in your browser and works on Windows, Mac, Linux, Android and iPhone.

Did the conversion fail?

In most cases, the cause is an incorrect file format. Please upload a valid 3MF file for this 3MF to STP conversion. Occasionally, the issue may be on our side. We analyze recurring conversion failures and disable or fix the converter if we detect a defect.

3mf to stl 3mf to tif

Additional formats for
3mf file conversion

Reverse conversion

Convert to stp from
other formats

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