Make a tornado effect around a shape in CorelDraw X6

[-FR-]Bonjour, je coince un peut sur ce truc qui me semble assez simple. mais je galère à trouvé un résulta satisfaisant.
J'aimerais faire un effet tornade autour de ma forme.

[-Translate Google] Hello, I stuck a little on this thing that seems pretty simple. but I have trouble finding a satisfactory result.
I would like to make a tornado effect around my shape.

Merci beaucoup, Thank you very much