I used the following method to generate a thickness ma of the left ventricular myocardium:

- Compute medial surface using
**Simple Filters module - BinaryThinningImageFilter**. - Compute distance map using
**Simple Filters module - DanielssonDistanceMapImageFilter**. Input is binary: Yes; Use image spacing: Yes. - Copy distance values from the distance map to model node using
**Probe volume with model**module.

In the last step (probe volume with model) there is an error message asking for the input model. What is the correct input model?

Thank you!