Peltier liquid radiator w/Alpine 11 Plus

Arctic Alpine 11 Plus ($11): https://www.amazon.com/dp/B00606OHQQ
Peltier element ($2): http://www.ebay.com/itm/172482401408
Heat transfer block ($3): http://www.ebay.com/itm/371786363221
3mm baltic birch plywood
5-12V power supply (any power brick should work).

I made this for my laser cutter, since buying a liquid radiator block already costs around the same, and I want sub-room-temperature cooling since it's constantly 30C+ where I live.

This can be used as an additional cooling blo