It draws cooler outside air in through open doors and windows to create a pleasant breeze that pushes hot air out through ...

If the duct is a standard size, remove the register and drop the fan into the boot. Secure it to the floor on each side with screws. If the duct is smaller than standard, see photos below.

The first step was to find a community-developed fan duct, which he then modified to hold the 7 mm camera module. Since the duct blows right on the printer’s nozzle, it provides an ideal vantage ...