Not the opening tool but an empty opening object should have the sunshade option.
This is 26 but 25 should be the same.
In the material setting you can choose a 'perforated metal material' if you have one.
If not you may be able to find one in the new material from surface catalogue option.
One of the forum moderators.
Versions 6.5 to 25
Dell XPS- i7-6700 @ 3.4Ghz, 16GB ram, GeForce GTX 960 (2GB), Windows 10
Dell Precision 3510 - i7 6820HQ @ 2.70GHz, 16GB RAM, AMD FirePro W5130M, Windows 10