Bowtie quads within official parts

[Philippe Hurbain]

Thanks for the links, it really helps. I just discovered LDraw library, and I still don't have a global view of every tool available.

Do you happen to be French speaking? (your name/surname makes me think maybe...) Then there is a very detailed panorama of available tools here: http://jc-tchang.philohome.com/
Even if you are not... Google translate is your friend