Super-fast (and sticking) PLA - how is this done??

This video is almost magical in how fast the extruder lays down PLA with incredible speed. It also seems like the Z=0 height is a little high. I have not been able to achieve this speed (or adhesion with such a Z=0 height). Any comments?

http://www.youtube.com/watch?v=OmmIAJbNhH0

Thanks,
Rob

A bit more heat then usual should help you to get those speeds with PLA, with a 0.5 nozzle, if you have an reliable extruder and a good hotend. From the image linked from another video, it seems that his layers are quite thick, which would explain the z height.

I've tried printing in high speeds too. If the layers are thick and the heat is high enough, it kind of works. But I did not like the results I've got, so I usually print much slower.