Free online STP to STL converter
Is there a way to convert .stp files to .stl format.
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How to convert stp to stl file
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Users interested in an .stp to .stl conversion typically wish to export 3D models for stereo lithography, which is a type of 3D printing.
STEP 3D CAD product data files (.stp) and Stereolithography Files (.stl) are commonly supported by numerous currently available 3D modeling utilities and programs. Many of them are capable of converting .stp to .stl for 3D printing purposes.
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Understanding STP and STL file formats
The STP file format, also known as STEP (Standard for the Exchange of Product Data), is a widely used data exchange format for 3D models. It is primarily used for sharing CAD (Computer-Aided Design) data between different software applications. STP files contain detailed information about 3D objects, including geometry, topology, and material properties.
On the other hand, the STL (Stereolithography) file format is a simpler format used mainly for 3D printing and computer-aided manufacturing. STL files describe the surface geometry of a 3D object without any color, texture, or other attributes. They are widely supported by 3D printers and are the standard file format for 3D printing.
How to convert STP to STL
Converting an STP file to an STL file involves translating the detailed 3D model data into a format suitable for 3D printing. This process can be done using various software tools that support both file formats.
Best software for STP to STL conversion
One of the best software options for converting STP to STL is FreeCAD. FreeCAD is an open-source parametric 3D modeler that supports a wide range of file formats, including STP and STL. Here’s how you can perform the conversion using FreeCAD:
- Open FreeCAD and go to File → Open to load your STP file.
- Once the file is loaded, navigate to File → Export.
- Select STL as the export format and save the file.
Another excellent tool is Autodesk Fusion 360, which offers a comprehensive set of features for 3D modeling and file conversion. To convert using Fusion 360:
- Import your STP file into Fusion 360.
- Go to File → Export and choose STL as the output format.
Both FreeCAD and Autodesk Fusion 360 provide reliable and efficient ways to convert STP files to STL, ensuring that your 3D models are ready for printing.
STP vs STL: format comparison
How the STP and STL formats compare on the properties that matter most for this conversion.
| Property | .STP STEP (Standard for the Exchange of Product model data) | .STL Stereolithography |
|---|---|---|
| Open standard | Yes | Partly open |
| Compression | Uncompressed | Uncompressed |
| Typical file size | Medium | Small |
| Opens in a web browser | No | No |
| Further editing | Limited | Not directly editable |
| Metadata support | Extensive | None |
| Plain-text readable | Yes | Yes |
| Best used for | Data exchange | Embedding in applications |
| Introduced | 1994 | 1987 |
| Developer | ISO | 3D Systems |
| MIME type | — | model/stl |
Suggested software and links: stp to stl converters
Frequently asked questions
Is the STP to STL converter free?
Yes, converting STP to STL on 101convert.com is completely free. No registration, email address or installation is required.
How large can my STP file be?
You can upload STP 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 STP to STL?
No. The STP to STL 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 STP file for this STP to STL 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.