Ima gonna take a risk here and be bold; I think it would be more useful to sort the things by IT grade and material than by purpose. Hope nobody minds me reorganizing things.
- Go ahead, be bold. What exactly does "International Tolerance Grade" mean, and how can I figure out which tolerance grade(s) can be made on a RepRap with a 0.5 mm nozzle and 0.1 mm positioning accuracy? --DavidCary 21:51, 4 March 2012 (UTC)