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Image to STL

Convert Your 3D Mesh/Model AMF Files to CTM

Our free and fast tool will convert most 3D mesh or AMF (Additive Manufacturing File) model files to a standard CTM (OpenCTM) 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 AMF file click the Upload button above and select the file to convert. Once selected, the file will be converted to a CTM file and will ready for download shortly afterwards. For more information about the AMF to CTM conversion process see the conversion information section below for more information.

How to Convert your AMF to CTM Online?

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

Upload a AMF

Upload a AMF

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

Download your CTM

Download your CTM

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

FAQ

How can I convert my AMF file to CTM?

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

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

We aim to process all AMF to CTM 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 AMF to CTM 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 AMF to CTM on ImageToStl.com?

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

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

Yes! Our AMF to CTM 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 AMF and CTM

Extension: AMF

Full Name: Additive Manufacturing File

Type: 3D Model

Mime Type: text/xml

Format: Text

Extension: CTM

Full Name: OpenCTM

Type: 3D Model

Mime Type: application/x-ctm

Format: Binary

AMF Notes

When converting from AMF files our tool will try to convert any geometric and color data found in the model file.

Supported Features

  • Mesh geometry
  • Mesh colors

CTM Notes

CTM files support per vertex color information. If your uploaded model contains color information our tool will attempt to save this in the CTM file at the end of the conversion process.

Supported Features

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