<< Boolean operation between V extrusion from curve and a cube for exemple take huge time ... just for one curve !

Curious its' instant for me on my 10 years old computer! Make a big handel to the section profil for be sure that the volume is out of!
(here the left part past to the trapeze )



<< V-shaped rebate instantly from a curve (open or closed) apply on a solid object like the great "pipe tool"

the Pipe tool is not "instant" !