[loss of interior structure]

excellent, worked the first, many thanks.
as a way to continue learning, between the lines of the thin walls, a fill can be made, I understand that fill fill gap

[loss of interior structure]

not , dont have

 

[loss of interior structure]

Hello everyone, I'm testing with this software, I was using another but I saw several means that this is better. However, a problem arises, and that is when the layer view turns out that the internal structures are lost.
You can help me solve this problem, thank you