How to show the Brillouin zone of any space group

To show the Brillouin zone  of any space group you click on the following link:

http://www.cryst.ehu.es/cgi-bin/cryst/programs/nph-kv-list?gnum=150


You follow the procedure on the picture below:

When you get the following picture you click on  Brillouin zone

You will get the following picture