Correct preview but not the 3D model

Here is a screenshot of the problem :slight_smile:

The object is this one:

Tested with Sketchup PRO 2019 + Transmutr 1.0.6 and 1.1.0

Apparently it is a problem with the geometry of the model. I also replied the error. :man_shrugging:t4:

Thanks for the report.

It looks like this is caused by a face whose contour uses the same vertices twice:

This is not allowed by the SketchUp API, hence the face is not created.
We’ll see if we can detect these cases and split the contour in two: the “outer” contour and the “inner” contour.

As a workaround, you can set the simplification to 0.01, this will force Transmutr to triangulate the faces and avoid this issue, while actually not simplifying the mesh.

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Thank you for investigating the problem and looking for a possible solution.