Hi, thanks for your quick reply !
Actually, I used a trick to open it with version 1.8.5. As the project was created with version 1.9.1, it does not want to open, so I made an export in .svg and I imported it in the old version. But I now realize that if I import the .svg back into version 1.9.1 the problem is no longer there when I vectorize the outline from the .svg. On the other hand if I do not go through this transition, the problem is present. This problem is not present if I completely restart the project from 1.8.5. This story drives crazy ..😫
I use this process for models that are intended for laser cutting. to have the result of I want with the machine, I have to go through these steps.
I am therefore attaching version 1.9.1 of the project with steps in the Layers part.
Thanks again,
Regards,
Ant0ine
Bug Outilnes 1.9.1.afdesign