I remember time of Free Rhino but no time to use it (I was with the ZBrush beginnings more appetizing than "industrial" drawings! :)
More times later i crossed Moment of Inspiration beginnings by hasard in the regretted Push Pull Bar (a too much SketchUp Forum )
et voilà! :)

ZBrush is became unavoidable in many organic domains and Moi the more pleasant program of modeling to use!

Of course Rhino is became a monster in Nurbs world! :)

My French ZBrush mirror site! ;) https://zibifr.weebly.com