Quote Originally Posted by Crownius
What i used and is really inexpensive and safe to use are two computer fans for a 2x2x5 space cut into the wood .. You can buy the fans for 5 usd each usually from any major store like walmart or comp usa or something.. And use a old power supply for a router or old phone .. just make sure its 6 or under.. and wire them up
Be careful when using any old power pack. You want to make sure the voltage ratings match. Example. If the fan says its a 12v DC input then you need to find a power pack that has a 12v DC output rating. Otherwise you may risk burning the motor on the PC fan.