We do a lot of new construction work and have a pretty good system of spraying doors and drying them. We typically use a custom built drying rack that holds each door horizontally using 2 poles with pipe insulation on them. I'm curious to hear what others do with doors. I've seen other drying...

Plywood cross pieces are the key- they are not joined for easy storage,nor are the stackable portion or the dowels. I just gathered the concept from the above pic which I found in a Woodsmith magazine article.