"I am going frame/foundationless and I am wondering what the best option is.Corner Molding with the corner down?1/2 round Molding round down?Popcicle stick/paint stir stick glued in a groove?waxed string?I suppose I could make a couple of different types and see what works best, but I would rather learn from others experiences than re-invent the bar so to speak." . . . .