Thanks for the replies. How hard is it to do a 16x20 with this enlarger? I think that is likely the largest I would print in my own darkroom with respect to cost of trays, room for everything, etc. I looked at one site that said it can only make up to 14x20 enlargements. Isn't that sort of a strange size? I wonder if I could machine a spacer to go between the column and the baseboard. Would I need a 2" spacer to get that extra 2" for a 16x20, or is it not that simple?