Ordered a set of 3x5 plates they should be arriving Monday or Tuesday. Gotta get out and get a press today or tomorrow. What’s the best size pucks I was thinking 2” round or square that would give a half inch on each side of the plate. Suggestions. Where to get and what size. Raw pre cut sheets silicone coated or not. R they all coated? Lol newbie sorry for the questions thanks for the help.