Designer: ??? (The webpage is in French, and I'm simply unable to figure out her/his name...)
Source: http://membres.multimania.fr/perlesenchantees/regence-gb.htm
Regence intermediate
Modification: I tried to follow the original pattern, but it looked very uneven, maybe the thread should have been straightened before use, I don't know. So I kept the strip but I tried to make simpler ornament.
Note: You can find more of her/his free patterns here