Hey Dot! Its been awhile. Just a quick correction on Modo. They do support spline based geometry. For instance: Spline Patch Polygon Type True spline patch surfaces Command to convert face polygon to spline patch Pen tool creates spline patch polygons Plus the solid sketch functionality that allows for quick "sketching" out of geometry. Similar to zspheres from what I've seen. If I were to switch from Hexagon it would be to Modo. That of course requires money:)