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Image to STL

Convert Your 3D Mesh/Model CTM Files to IDTF

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Our free and fast tool will convert most 3D mesh or CTM (OpenCTM) model files to a standard IDTF (PDF With integrated 3D Models) file that can then be edited further in most popular 3D editing packages such as Blender or 3D printed without any further processing.

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

How to Convert your CTM to IDTF Online?

Here are 2 simple steps to convert your CTM to IDTF.

Upload a CTM

Upload a CTM

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

Download your IDTF

Download your IDTF

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

FAQ

How can I convert my CTM file to IDTF?

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

How long does it take to convert my CTM to IDTF?

We aim to process all CTM to IDTF 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 CTM to IDTF conversion?

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

Is it safe to convert my CTM to IDTF on ImageToStl.com?

Yes, of course! We do not store the CTM file you submit to us. The resulting IDTF file, once created is deleted 1 hour after upload and the download link will expire after this time.

Can I convert CTM to IDTF on Windows, Linux, Android, iOS or Mac OS?

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

File format information for CTM and IDTF

Extension: CTM

Full Name: OpenCTM

Type: 3D Model

Mime Type: application/x-ctm

Format: Binary

Extension: IDTF

Full Name: PDF With integrated 3D Models

Type: 3D Model

Mime Type: text/plain

Format: Text

CTM Notes

If your CTM file contains vertex colors these will be imported and mapped where possible.

Supported Features

  • Mesh geometry
  • Vertex colors
  • All compression versions supported when converting from CTM

IDTF Notes

Currently only mesh geometry will be carried over from your source model to the final IDTF file for download.

Supported Features

  • Mesh geometry