Exhaust fan, pulls heat from the motherboard and components:
Intake:
CPU cooling:
I intended to rest my Beige G3 on its side, allowing the intake to be closer to the ground and hot air to exhaust upward. I can still do that quite easily, but it seems to make only a very slight difference.
a dremel, nuts, bolts, screws, one Top Motor 50x20 mm 20 CFM fan, two 92x25mm Panaflo 43 CFM fans.