I'm curious to know the precision and accuracy available with the various materials. WSF would be a good start though, if a complete list is unavailable. For those unfamiliar with the difference between precision and accuracy, consider darts thrown at a dart board. If a total of six darts are thrown and all hit in the bull's eye, that's high precision and high accuracy. If they all hit the doubles ring at the perimeter, that's high accuracy and low precision - the shot locations all average to the exact desired value. If they all hit the triple twenty, that's high precision and low accuracy - the shots all err by the same amount. The printer's resolution will have a strong influence, I'm sure, but I'm curious to know if there's any firm (if not hard) data. I'd like to make some small mechanisms that would be printed as unassembled, as the gap requirements during printing as assembled would be too great for the nature of the device.