Modding tips

[-1nf1n1ty-]

Could someone tell me what you need to make a hole on a case with a side panel window? I've always wanted to make a second hole for a 120mm fan or something.

[THRASHER2]

Could someone tell me what you need to make a hole on a case with a side panel window? I've always wanted to make a second hole for a 120mm fan or something.
DIY: Blowhole
http://guides.pcapex.com/modding/diy:_blowholes.php