Geometric definition error

[Tang_Qi]

Hello,everyone!
The data I recently used in this manual was run on openmc, but the space geometry I got was not what I expected. What is my error?

Thank you very much!

SOL-Case-3.py (5.33 KB)

Lst005.pdf (254 KB)

[Tang_Qi]

I modified the plot and the problem was solved.