you're right, the 3d printer i had was accurate to "within 20 microns" which is what my decent metal calipers can measure. 20mm = 20mm within 0.02mm. I've alre

you're right, the 3d printer i had was accurate to "within 20 microns" which is what my decent metal calipers can measure. 20mm = 20mm within 0.02mm. I've already started calling the fab size of my processor as 80 angstroms (or whatever), so i probably back-propagated that.