Actually, a reprapper has been able to do 20 microns. But it's after a bunch of tuning on his part, and I'm sure they were slow prints. (14.5 hours for the yoda

Actually, a reprapper has been able to do 20 microns. But it's after a bunch of tuning on his part, and I'm sure they were slow prints. (14.5 hours for the yoda, where as when I printed it at 150 microns, it took 2.5 hours). But yes, 20 microns has already been achieved. http://www.makergear.com/blogs/frontpage/6591695-20-microns-i-am http://www.makergear.com/blogs/frontpage/6591695-20-microns-... https://davedurant.wordpress.com/2011/10/12/ultimaker-faq-but-what-about-the-quality-of-prints/ https://davedurant.wordpress.com/2011/10/12/ultimaker-faq-bu... In the second link, you can scroll down to see what 20 microns looks like up close. That orange thing on the left is his thumb. There's about 10 layers to one line on his thumbprint.