hey guys 2mm or 3mm sponge don't block the air that will comes with any readymade cloth and i had already using it with mosquito net, use some super glue to attach bothe then they'll not bent then cut as much as u want for dust filter
the sponge even block the humidity in air that mean in heavy rainy session some times i removed ram because that is not working, after i attached sponge then now their is no problem.
Sory for bad english
U mean like this?
*i705.photobucket.com/albums/ww54/mailmemanju/NZXT%20Gamma/DSCN0442.jpg
yes like that ,but even thinner sponge.
i'll post the pics of my pc hear as soon as possible ,so keep watch.