Convert 3MF to STP

The quick and simple way to change your 3MF into STP files is to use a quality piece of software, such as reaConverter.

reaConverter offers batch processing and offline support for converting 3MF files to STP with precision, saving you time on large projects. With customizable quality settings, resolution adjustments, and support for bulk conversions, it ensures fast, high-quality results.

1. Download and Install reaConverter

reaConverter is quick to download, install and launch. This standalone software is extremely efficient in managing a wide range of batch conversions. reaConverter is incredibly powerful and boasts an extensive variety of features.

Install reaConverter

2. Load your 3MF files

Start reaConverter and load all the .3mf files you intend to convert into .stp. The software supports multiple 3MF conversion and processes all files locally on your computer.

Select 3MFs from a folder or by drag-and-dropping them directly into the reaConverter window.

3. Select STP as output format

Pick the STP as output format and choose the destination folder where you want to save new .stp files.

4. Start 3MF to STP conversion

Then simply press Convert button and your conversion will begin in no time!

Once the conversion is complete, you can find your STP files in the destination folder you selected.

3MF to STP Converter

reaConverter offers the fastest, simplest solution for converting your 3MF files into STP in seconds - all files processed on your PC for maximum privacy and speed.

Download Free Trial

Do more with your files

Converting 3MF files for use in a workflow? reaConverter offers many ways to process files, so you can customize them according to your requirements.

Our range of editing options includes auto-processing options such as auto-rotate, auto-crop, watermarking and more. Change Color Space, copy Metadata, set DPI, manage ICC Profile, control Bit Depth.

Conversion features

User Reviews

Average User Rating:
Last updated on June 08, 2025

"Finally an app that actually opens my weird files! Saves me from format frustration daily."

Kyle Brooks

Happy User

"This converter delivers exceptionally quick format conversions with reliable results every time."

Brian White

Happy User

"Security was our top concern when evaluating file conversion tools. reaConverter’s offline mode and role-based access controls let us lock it down for sensitive environments. No unexpected network calls or bloat — just clean, fast conversions. Even passed our pen-testing scans without a hitch."

Marcus White

Healthcare IT

"The step-by-step video makes conversion foolproof. I'd recommend this to my grandma - it's that well-explained!"

DeShawn M. Thompson

Happy User

"I'm really impressed with this software - it converts files between formats incredibly fast!"

Lin Zhang

Happy User

"I firmly believe working with JPEG — the universal format supported by all devices and apps—is the wisest choice. reaConverter handles these conversions flawlessly."

Ava Thomas

Happy User

3MF to STP Conversion: FAQ

Can reaConverter convert 3MF to STP?

Yes! reaConverter instantly converts .3mf to .stp with perfect quality preservation. With its batch processing feature, you can convert multiple files at once in just a few clicks. You can even convert images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert 3MF to STP online?

If you only need to convert a few 3MF files to STP format, feel free to try our free online free online 3MF to STP converter — perfect for small batches with no installation needed!

How can I turn 3MF files into STP on my computer?

The best way to change 3MFs to STPs on your PC is to install a quality piece of software, such as reaConverter. This software is extremely efficient in managing a wide range of batch files conversions, including conversion from 3MF to STP.

How can I automate 3MF to STP files conversion?

reaConverter supports all the most useful automation features such as right-click сonversion and Watch Folders for the most efficient automated files conversion in any software of this type.

Is there a way to convert 3MF files to STP using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line 3mf to stp converter for batch processing.

What else can I do with reaConverter?

Convert vector images Convert picture color space Convert CAD formats Set image bit depth Copy IPTC data