With polygonal mirrors you have to wait for the perfect moment to pulse the lase...

		tintin on March 13, 2012 \| parent \| context \| favorite \| on: Our 3d printer is better than yours With polygonal mirrors you have to wait for the perfect moment to pulse the laser. I think these are just galvanometers. Seems like they have to 'predict' the motion of the mirrors for accuracy and speed.