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Convert Your 3D Mesh/Model STL Files to VTK

Our free and fast tool will convert most 3D mesh or STL (Standard Triangle Language) model files to a standard VTK (Visualization Toolkit) file that can then be edited further in most popular 3D editing packages such as Blender or 3D printed without any further processing. Our conversion tool can also batch convert multiple STL files, up to 25 files at a time can be converted.

To convert your STL file click the Upload button above and select the file to convert. Once selected, the file will be converted to a VTK file and will ready for download shortly afterwards. For more information about the STL to VTK conversion process see the conversion information section below for more information.

How to Convert your STL to VTK Online?

Here are 2 simple steps to convert your STL to VTK.

Upload a STL

Click the "Upload a STL File" button and select a STL to upload. The maximum file size is 100MB.

Download your VTK

Click the download link once completed to receive your VTK file.

FAQ

What STL formats can I convert from?

You can convert from both text and binary STL files. If your STL file contains color information we will bring this over.

How can I convert my STL file to VTK?

First click the "Upload..." button, select your STL file to upload. Select any configuration options. When the STL to VTK conversion has completed, you can download your VTK file straight away.

How long does it take to convert my STL to VTK?

We aim to process all STL to VTK conversions as quickly as possible, this usually takes around 5 seconds but can be more for larger more complex files so please be patient.

How accurate is the STL to VTK conversion?

We aim to create the most accurate conversions with our tools. Our tools are under constant development with new features and improvements being added every week.

Is it safe to convert my STL to VTK on ImageToStl.com?

Yes, of course! We do not store the STL file you submit to us. The resulting VTK file, once created is deleted 15 minutes after upload and the download link will expire after this time.

Can I convert STL to VTK on Windows, Linux, Android, iOS or Mac OS?

Yes! Our STL to VTK tool will run on any system with a modern web browser. No specialist software is needed to run any of our conversion tools.

What if I am using an Ad Blocker, will that affect things?

Yes. Although you can use an Ad Blocker, if you like our STL conversion tool please consider white-listing our site. When an Ad Blocker is enabled there are some conversion limits on some of our tools and processing/conversion times will be longer.

File format information for STL to VTK

ExtensionSTL
Full NameStandard Triangle Language
Type3D Model
Mime Typeapplication/vnd.ms-pki.stl
FormatText & Binary
Open WithBlender, MeshLab, CAD Assistant, DAZ Studio

Description

The STL file format has its roots in the 1980's and is the native file format for 3D Systems stereolithography CAD software. The format defines a triangulated mesh with vertices and faces and is a popular format for sharing 3D printable model files.

There were several formats that attempted to extend the STL format namely SolidView and VisCAM whose formats included limited 15-bit color information for each mesh face which is often ignored by most modern 3D software. The STL format can be either Text or Binary, our tools will support both formats.

STL Notes

Standard STL files do not contain material or color information so this cannot be imported. There are however two formats (VisCAM and SolidView) that attempted to add color information to the STL file format. If our tool detects this additional color information it will attempt to import this information.

Supported Features

  • Mesh geometry
  • Face colors via the VisCAM and SolidView formats
  • Binary and Text versions supported
ExtensionVTK
Full NameVisualization Toolkit
Type3D Model
Mime Typeapplication/octet-stream
FormatBinary

Description

The VTK file format is a 3D modelling and graphics format supported by the Visualization Toolkit. Created in the '90s the Visualization Toolkit provides a series of data and visual tools for advanced 3D modelling applications. Some example functions of the toolkit include polygon simplification, mesh repair and smoothing and more.

The format has evolved over the years. Starting out as a simple text-based format that could be edited within a simple text editor. Additional features have been added over the years with the most recent version of the format supporting an Xml based format.

VTK Notes

Any model converted to the VTK format will be stored in a triangulated mesh format.

Supported Features

  • Polygon mesh
  • Triangle strip-base mesh

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