This is a macro that creates bezier lines using the exact same formula
as the bicubic_patch does...
I needed it for some wires in one of my projects, thought other's would
have a use... dono if anything like this is out

It's pretty simple to use... pretty much all you have to do is make an
array with the points, and pass that to the macro with a radius of the
line.

#declare mypoints = array[4] { <-1,0,-1>, <-1,-1,1>, <1,1,-1>, <1,0,1> }

bicubic_line (mypoints, 0.1)

well... have fun with it, and i did not write this, i just converted
it... the code was written by Alexander Enzmann.

   the Loial Raven

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