mhb is right. This may look easy, but is actually a pain in the ass. It is fine for small circuits, like in the example. For big projects, drilling out all the

mhb is right. This may look easy, but is actually a pain in the ass. It is fine for small circuits, like in the example. For big projects, drilling out all the vias or thru-holes is tedious. There are also registration issues and etch time issues. There is a reason why commercially made prototype circuit boards are so popular.