Hello
You have also a French Forum hereat sketchucation ๐
Why not try also Moi : Moment of Inspiration?
It's the Zen Nurbs modeler with "Sketchup like ergonomy" and learning curve, and you have direct acces for Sketchup by export file SKP format ๐
And Moi is also in French ๐
C'est pas beau la vie? ๐