Edge glass bed clamps for Kossel, Rostock & Co.

Up to now, I clamped my glass bed down onto my aluminium heated bed with some paper clips or alternatively some picture frame clips. I **really, really** disliked this solution, as you tend to imprint the imperfections of your aluminium heated bed onto the otherwise nearly perfectly flat glass surface, which defeats a major part of the whole purpose.

This little thing here is inspired by an alternative way to clamp glass beds: By its edge (common on Prusa i3's, such as Wanhao DI3 etc). I adap