I should draw a nut with a slit, build the nut, build the cut solid, apply the boolean subtraction together using the copy functions and sculpt but at operation finished the nut body is dissected while the thread remains whole... .
the thread modeled first with the inventor tool (only graphically) then with threadmodeler ( physically ) is obtained in two stages.
applying the command sculpts in two times, ie first on the solid body then on the generated thread, you get the searched result. other solutions are welcome, if there are ....