They do two 4-layer batches a month, so yeah, the turn around can be nearly a month if your design is ready on, say, the 3rd of the month. I think the do 2-lay

They do two 4-layer batches a month, so yeah, the turn around can be nearly a month if your design is ready on, say, the 3rd of the month. I think the do 2-layer board runs every other day now.