@3DBenchy Printed using Hatchbox glow in the dark PLA at 80mm/s with the all metal Ubis 13. Kind of a speed test. I noticed overhangs do better at lower speeds but other than that the quality is comparable to the one I printed at 30mm/s.
I need LED lights I think
Tip: I use infrared camera (Pi NoIR) and IR LEDs. It’s cheap and powerful: http://www.thingiverse.com/thing:964490. Sample picture in my Czech How To article: http://i.tvit.cz/OctoPiIR.
Eh I prefer color. Interesting article (from what I could tell from Google translate) though.
Thank you. I want to popularise OctoPi to broad Czech (not only) RepRap community. 
Automatic translation is very… funny and inaccurate as I see.
Nice job!!