@0scar, you might want to add
that comment to your answer to hjttp://3dprinting.stackexchange.com/questions/6896/clamps-clips-for-glass-on-heatbed. While the chap stated that he didn't want to use glue, he didn't mention tape, which is not at all the same as glue. That question is the only one that I can remember that asks about fixing glass sheets, unless there is another one?