Thaumcraft 4 - Mana Bean Farm

I was trying to come up with a way to maximize my mana bean farm. I was trying different levels and then I remembered the old solar well trick used with factorization mirrors. Since harvest golems by default will look in a 4 block radius, this same design with mirrors will work with a harvest golem harvesting mana beans. The furthest mana bean (not log block) is 4 blocks away from the center point. Since you end up with a 9x9 square of mana bean pods on the top layer, then a 1 block...

Thaumcraft 4 - Mana Bean Farm