Lavender Lee
Lavender Lee
Thanks szhorvat. The reason I use MinGW-64 is just avoiding installing **Microsoft Visual Studio 2015**. It is very large(5G in C disk and 3G in the install-path). Maybe I can...
@K-JW Interesting and thanks for sharing this:)
### Other case If all the sections are open, the a surface can be generated normally.  ### open sections [open-sections.zip](https://github.com/user-attachments/files/20442495/open-sections.zip)